Browse by Railroad

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• 2nd Avenue Traction Co. (1)

• A&R Line Railroad (ARE) (2)
• AT&L Railroad (ATLT) (2)
• Aberdeen Carolina & Western Railway (ACWR) (10)
• Abilene & Smoky Valley Railroad (ASV) (2)
• Abilene & Southern Railway (AS) (2)
• Abingdon Coal & Iron Railroad (AC&I) (14)
• Adirondack Railway (ADIR) (1)
• Adirondack Scenic Railroad (ADIX) (5)
• Adrian & Blissfield Railroad (ADBF) (3)
• Ahnapee & Western Railway (AW) (3)
• Ahukini Terminal & Railway (AT&R) (4)
• Akron & Barberton Belt Railroad (ABB) (1)
• Akron, Canton & Youngstown Railroad (ACY) (3)
• Alabama & Gulf Coast Railway (AGR) (3)
• Alabama & Tennessee River Railway (ATN) (10)
• Alabama Central Railroad (AC) (1)
• Alabama Great Southern Railroad (AGS) (4)
• Alabama Midland Railroad (AMID) (1)
• Alabama Power Co. (APC) (1)
• Alabama Southern Railroad (ABS) (1)
• Alabama, Tennessee & Northern Railroad (AT&N) (1)
• Alameda Belt Line (ABL) (2)
• Alameda Corridor (ACTA) (3)
• Alamogordo & Sacramento Mountain Railway (1)
• Alaska Railroad (ARR) (27)
• Albany & Eastern Railroad (AERC) (3)
• Albany & Hudson Railroad & Power Co. (A&H; A&HR&PC) (2)
• Albany & Susquehanna Railroad (A&S) (9)
• Albany Southern Railroad (AS) (2)
• Albia & Centerville Railway (A&C) (1)
• Albia Interurban Railway (AIRy) (3)
• Albia Light & Railway Co. (AL&R) (3)
• Alcoa Terminal Railroad (ATRR) (2)
• Alexander Railroad (ARC) (1)
• Algers, Winslow & Western Railway (AWW) (1)
• Allegheny & Eastern Railroad (ALY) (1)
• Allegheny Portage Railroad (5)
• Allegheny Valley Railroad (AVR) (9)
• Allentown & Reading Traction Co. (A&RT) (1)
• Allentown & Slatington Electric Railroad (2)
• Altamont Corridor Express (ACE; HTSX) (4)
• Alton, Granite, & St. Louis Traction Co. (AG&StL) (5)
• Altoona & Logan Valley Electric Railway (A&LV) (1)
• Amador Central Railroad (AMC) (1)
• Amador Foothills Railroad (AFRR) (1)
• American Railroad Co. of Puerto Rico (ARR; ARRC) (29)
• Ames & College Railway (A&C) (1)
• Amherst Street Railway (1)
• Amtrak (AMTK) (525)
• Amtrak California (CDTX) (19)
• Amtrak Cascades (19)
• Anacostia & Potomac River Railroad (2)
• Androscoggin & Kennebec Railway (A&K) (4)
• Angelina & Neches River Railroad (ANR) (1)
• Ann Arbor & Ypsilanti Street Railway (AA&Y) (1)
• Ann Arbor Railroad (1895-1976) (AA) (6)
• Ann Arbor Railroad (1988 - Present) (AA) (7)
• Annapolis & Baltimore Short Line (A&BSL) (1)
• Apache Railway (APA) (1)
• Apalachicola Northern Railroad (AN) (1)
• Appalachian & Ohio Railroad (AO) (7)
• Appanoose County Community Railroad (APNC) (11)
• Arcata & Mad River Railroad (AMR) (1)
• Arizona & California Railroad (ARZC) (1)
• Arizona & New Mexico Railroad (A&NM) (2)
• Arizona Central Railway (AZCR) (4)
• Arizona Eastern Railroad (AE) (5)
• Arizona Eastern Railway (AZER) (5)
• Arkansas & Missouri Railroad (AM) (24)
• Arkansas & Ozarks Railway (A&O) (5)
• Arkansas Midland Railroad (AKMD) (4)
• Arkansas Southwestern Railroad (ARSW) (1)
• Arkansas Valley Interurban Railroad (AVI) (6)
• Arkansas, Louisiana & Mississippi Railroad (ALM) (1)
• Arkansas-Oklahoma Railroad (AOK) (7)
• Aroostook Valley Railroad (AVL) (2)
• Ashland Railway (ASRY) (7)
• Astoria & Columbia River Railroad (A&CR) (1)
• Atchison, Topeka & Santa Fe Railway (ATSF) (435)
• Atlanta & Birmingham Air Line Railway (1)
• Atlanta & St. Andrews Bay Railroad (A&SA) (1)
• Atlanta & West Point Railroad (AWP) (4)
• Atlanta, Birmingham & Atlantic Railroad (AB&A) (2)
• Atlanta, Birmingham & Atlantic Railway (AB&A) (2)
• Atlanta, Birmingham & Coast Railroad (AB&C) (3)
• Atlantic & Danville Railroad (3)
• Atlantic & Danville Railway (AD) (1)
• Atlantic & East Carolina Railway (AEC) (2)
• Atlantic & Great Western Railway (A&GW) (1)
• Atlantic & Gulf Railroad (GFRR) (2)
• Atlantic & Lake Superior Railroad (A&LS) (1)
• Atlantic & Pacific Railroad (1)
• Atlantic & Yadkin Railway (A&Y) (1)
• Atlantic City & Shore Railroad (AC&S; Shore Fast Line) (3)
• Atlantic City Railroad (ACR) (1)
• Atlantic Coast Line Railroad (ACL) (88)
• Atlantic Shore Line Railway (ASL) (4)
• Atlantic and Yadkin Railway (1)
• Atlantic, Mississippi, & Ohio Railroad (AM&O) (6)
• Auburn & Rochester Railroad (A&R) (3)
• Aurora, Elgin & Chicago Railway (AE&C) (14)
• Aurora, Elgin & Fox River Electric Co. (AEFR) (6)
• Aurora, Plainfield & Joliet Railway (AP&J) (1)
• Austin Area Terminal Railroad (AUAR) (5)
• Avon Beach & Southern Electric Railway (AB&S) (2)

• BHP Nevada Railroad (BHP) (1)
• BNSF Railway (BNSF) (1,469)
• Babcock Lumber Co. Railroad (1)
• Ballard & Thompson Railroad (B&T) (7)
• Ballston Terminal Railroad (BTR) (3)
• Baltimore & Annapolis Railroad (BLA) (3)
• Baltimore & Annapolis Shortline Railroad (B&ASL) (1)
• Baltimore & Eastern Railroad (BE) (3)
• Baltimore & Ohio Chicago Terminal Railroad (BOCT) (5)
• Baltimore & Ohio Railroad (BO) (449)
• Baltimore & Ohio Southern Railroad (1)
• Baltimore & Ohio Southwestern Railroad (B&OSW) (1)
• Baltimore & Potomac Railroad (B&P) (2)
• Baltimore Transit Co. (BTCO) (8)
• Baltimore, Chesapeake & Atlantic Railway (BC&A) (2)
• Bamberger Railroad (BRR) (5)
• Bangor & Aroostook Railroad (BAR) (31)
• Bangor & Piscataquis Railroad (BAPI) (8)
• Bangor Railway & Electric Co. (BR&E) (1)
• Batey Columbia Railroad (1)
• Baton Rouge, Hammond & Eastern Railroad (BRH&E) (2)
• Batten Kill Railroad (BKRR) (10)
• Bay Area Rapid Transit (BART) (3)
• Bay Colony Railroad (BCLR) (6)
• Bay Line Railroad (BAYL) (1)
• Bay State Street Railway (BSSR) (1)
• Beaufort & Morehead Railroad (BMH) (2)
• Beaver Valley Traction Co. (1)
• Becker Farm Railroad (1)
• Belfast & Moosehead Lake Railroad (BML) (3)
• Bellevue & Cascade Railroad (B&C) (3)
• Bellingham & Northern Railway (B&N) (1)
• Bellingham & Skagit Interurban Railway (B&SI) (5)
• Bellingham Bay & British Columbia Railroad (BB&BC) (1)
• Belt Railway of Chicago (BRC) (7)
• Belvidere Delaware Railroad (Bel-Del) (4)
• Bennington & Hoosick Valley Railway Co. (B&HV) (2)
• Benton Harbor & Southeastern Railway (BH&SE) (1)
• Bergen County Traction Co. (BCTCo.) (1)
• Berkshire Street Railway (BSR) (10)
• Berlin Mills Railway (BMS) (3)
• Bessemer & Lake Erie Railroad (BLE) (19)
• Big Four Railroad (1)
• Bingham & Garfield Railway (B&G) (6)
• Birmingham & Southeastern Railway (B&SE) (1)
• Birmingham Mineral Railroad (BMAL) (1)
• Birmingham Southern Railroad (BS) (4)
• Black Hollow Coal Company Railroad (1)
• Black River & Western Railroad (BRW) (6)
• Blacklands Railroad (BLR) (3)
• Bloomer Line (BLOL) (8)
• Bloomington & Normal Railway, Electric & Heat Co. (B&NRE&H) (1)
• Bloomington Southern Railroad (BS) (4)
• Bloomington, Pontiac, & Joliet Interurban Railroad (BP&J) (6)
• Blue Ridge Railroad (BR) (5)
• Blue Ridge Scenic Railway (BRSR) (1)
• Bluegrass Railroad and Museum (BGRM) (1)
• Bobtown Mine Railroad (6)
• Boise & Interurban Railway (B&I) (2)
• Boise Valley Railway (BVRy) (3)
• Boise Valley Traction Co. (BVT) (2)
• Boise, Nampa & Owyhee Railroad (BN&O) (1)
• Boone & Scenic Valley Railroad (BSVY) (4)
• Bootheel Regional Rail Corporation (BRR) (1)
• Boston & Albany Railroad (BA) (98)
• Boston & Lowell Railroad (B&L) (4)
• Boston & Maine Railroad (BM) (392)
• Boston & New York Air-Line Railroad (B&NY) (17)
• Boston & Providence Railroad (B&P) (13)
• Boston & Worcester Railroad (B&W) (7)
• Boston & Worcester Street Railway (B&W) (1)
• Boston Elevated Railway (BERy) (6)
• Boston, Hartford & Erie Railroad (BH&E) (12)
• Boston, Revere Beach & Lynn Railroad (BRB&L) (2)
• Bountiful Grain & Craig Mountain Railroad (BGCM) (7)
• Branson Scenic Railway (BSRX) (1)
• Brattleboro & Whitehall Railroad (1)
• Bridgton & Saco River Railroad (B&SR) (1)
• Broadway & Cohoes Railway (1)
• Brooklyn Rapid Transit (BRT) (5)
• Brooklyn-Manhattan Transit (BMT) (3)
• Buckingham Branch Railroad (BB) (4)
• Buffalo & Pittsburgh Railroad (BPRR) (53)
• Buffalo & Southwestern Railroad (6)
• Buffalo & Susquehanna Railroad (B&S) (3)
• Buffalo & Susquehanna Railway (1)
• Buffalo Bayou, Brazos, & Colorado Railway (BBB&C) (1)
• Buffalo Creek Railroad (2)
• Buffalo Ridge Railroad (BFRR) (2)
• Buffalo Southern Railroad (BSOR) (7)
• Buffalo, Lockport & Rochester Railway (BL&R) (2)
• Buffalo, Rochester & Pittsburgh Railroad (BR&P) (23)
• Burlington & Lamoille Railroad (B&L) (1)
• Burlington & Missouri River Railroad (B&MR) (5)
• Burlington & Southwestern Railroad (B&SW) (1)
• Burlington Northern Railroad (BN) (446)
• Burlington Railway & Light Co. (BR&L) (1)
• Burlington, Cedar Rapids & Minnesota Railway (BCRM) (1)
• Burlington, Cedar Rapids & Northern Railway (BCRN) (162)
• Burlington, Muscatine & Northwestern Railway (BM&NW) (15)
• Burlington-Rock Island Railroad (BRI) (1)
• Busk Tunnel Railway Co. (1)
• Butte, Anaconda & Pacific Railway (BAP) (4)
• Buzzi Unicem (1)
• Byron Railroad Ltd. (2)

• CG Railway (CGR) (1)
• CSX Railroad (CSXT) (1,613)
• Caddo Valley Railroad (CVYR) (6)
• Caguas Tramway (2)
• Cairo & Fulton Railroad (3)
• Cairo & Vincennes Railroad (CAVI) (6)
• Cairo Electric & Traction Co. (1)
• California & Oregon Railroad (1)
• California Central Railroad (1)
• California Central Railway (1)
• California Northern Railroad (CFNR) (3)
• California Northwestern Railroad (1)
• California Western Railroad (CWR) (1)
• California, Shasta & Eastern Railway (CS&E) (1)
• Caltrain (CALT; JPBX; PJPB) (17)
• Calumet & Helca Railroad (C&H) (1)
• Camas Prairie Railnet (CSP) (4)
• Camas Prairie Railroad (CSP) (17)
• Camp Chase Industrial Railroad (CCRA) (1)
• Canada Southern Railway (CASO) (1)
• Canadian National Railway (CN) (506)
• Canadian Northern Railway (CNoR) (1)
• Canadian Pacific Railway (CP) (544)
• Cane Belt Railroad (1)
• Caney Fork & Western Railroad (CFWR) (4)
• Canton Railroad (CTN) (2)
• Cape Fear & Yadkin Valley Railway (1)
• Cape May Seashore Lines (CMSL) (3)
• Capital Traction Co. (1)
• Capital Transit Co. (3)
• Carbon County Electric Railway (1)
• Carbon Electric Street Railway (1)
• Carlton and Coast Railway (3)
• Carolina & Northwestern Railroad (Ca&NW) (2)
• Carolina Coastal Railway (CLNA) (11)
• Carolina Rail Services Inc. (CRIJ) (1)
• Carolina Southern Railroad (CALA) (2)
• Carolina, Clinchfield & Ohio Railroad (CCO; Clinchfield) (53)
• Carrizo Gorge Railway (CZRY) (1)
• Carthage, Knightstown, & Shirley Railroad (CKS) (2)
• Cascade & Columbia River Railroad (CSCD) (4)
• Catasauqua & Fogelsville Railroad (C&F) (5)
• Catawissa Railroad Co. (CRC) (1)
• Catawissa, Williamsport & Erie Railroad (CRR) (1)
• Catskill Mountain Railroad (1882-1885) (CMRR; CMRy) (3)
• Catskill Mountain Railroad (1916-1919) (3)
• Catskill Mountain Railroad (1982) (CMRR) (7)
• Catskill Mountain Railway (1885-1916) (CMRR) (3)
• Cañon City & Royal Gorge Railroad (CC&RG) (1)
• Cedar Rapids & Iowa City Railway (CIC; CRandIC) (32)
• Cedar Rapids & Marion Street Railway (CR&M) (3)
• Cedar Rapids, Iowa Falls & Northern Railway (CRIF&N) (5)
• Cedar River Railroad (CEDR) (4)
• Cedar Valley Railroad (CVAR) (2)
• Centerville & Southwestern Railroad (C&S) (1)
• Centerville, Albia, & Southern Railway (CA&S) (4)
• Central California Traction Co. (CCT) (4)
• Central Canovanas Railroad (2)
• Central Coloso Sugarcane Railway (1)
• Central Electric Railway (1)
• Central Illinois Railroad (CIRY) (1)
• Central Indiana Railway (CIRwy) (6)
• Central Iowa Railway (CIAR) (3)
• Central Kansas Railway (CKRY) (14)
• Central Maine & Québec Railway (CMQ) (30)
• Central Massachusetts Railroad (27)
• Central Michigan Railway (CM) (2)
• Central Midland Railway (CMR) (10)
• Central Montana Railway (CM) (4)
• Central New England Railroad (CNZR) (1)
• Central New England Railway (CNE) (19)
• Central New York Railroad (CNYK) (14)
• Central Oregon & Pacific Railroad (CORP) (24)
• Central Pacific Railway (CPRR) (31)
• Central Railroad of Indiana (CIND) (23)
• Central Railroad of Indianapolis (CERA) (6)
• Central Railroad of New Jersey (CNJ) (93)
• Central Santa Juana Sugarcane Railway (1)
• Central Vermont Railway (CV) (66)
• Central Washington Railroad (CWRR) (2)
• Central of Georgia Railway (CG) (25)
• Central of Tennessee Railway & Navigation Co. (CTRN) (4)
• Chambersburg & Gettysburg Electric Railway (C&G) (2)
• Charles City Western Railway (CCW) (9)
• Charles River Railroad (3)
• Charleston & Savannah Railway (C&S) (2)
• Charleston Interurban Railroad (CIRR) (2)
• Charlotte Harbor & Northern Railway (CH&N) (7)
• Chartiers Southern Railway (1)
• Chattahoochee Bay Railroad (CHAT) (1)
• Chattahoochee Valley Railway (CHV) (1)
• Chattooga & Chickamauga Railway (1)
• Chelatchie Prairie Railroad (BYCX) (2)
• Cheney Railroad (CHNY) (2)
• Chesapeake & Albemarle Railroad (CA) (3)
• Chesapeake & Indiana Railroad (CKIN) (1)
• Chesapeake & Ohio Railway (C&O; CO) (183)
• Chesapeake & Ohio Railway of Indiana (2)
• Chesapeake Western Railway (CHW) (2)
• Cheshire Railroad (5)
• Cheshire Street Railway (5)
• Chessie System (96)
• Chester & Delaware River Railroad (C&DR) (1)
• Chester & Rock Springs Railway (1)
• Chicago & Alton Railroad (C&A) (89)
• Chicago & Atlantic Railway (2)
• Chicago & Eastern Illinois Railroad (CEI) (44)
• Chicago & Erie Railroad (C&E) (1)
• Chicago & Great Eastern Railway (C&GE) (5)
• Chicago & Illinois Midland Railway (C&IM) (12)
• Chicago & Illinois Valley Railway (C&IV) (9)
• Chicago & Illinois Western Railway (C&IW) (1)
• Chicago & Indiana Railroad (C&I) (1)
• Chicago & Interurban Traction Co. (C&IT) (1)
• Chicago & North Western Railway (CNW) (1,377)
• Chicago & Northern Pacific Railroad (C&NP) (2)
• Chicago & Western Indiana Railroad (CWI) (14)
• Chicago Great Western Railway (CGW) (195)
• Chicago Junction Railway (CJR) (5)
• Chicago Rapid Transit Company (CRT) (5)
• Chicago Southern Railway (CSRy) (2)
• Chicago Surface Lines (CSL) (19)
• Chicago Terminal Railway (CTM) (3)
• Chicago Terminal Transfer Railroad (CTT) (5)
• Chicago Transit Authority (CTA) (34)
• Chicago, Alton & St. Louis Railroad (CA&StL) (1)
• Chicago, Anamosa & Northern Railroad (CA&N) (4)
• Chicago, Aurora & DeKalb Railway (CA&D) (2)
• Chicago, Aurora & Elgin Railroad (CA&E) (19)
• Chicago, Bellevue, Cascade & Western Railroad (CBC&W) (3)
• Chicago, Burlington & Quincy Railroad (CBQ) (523)
• Chicago, Central & Pacific Railroad (CC) (90)
• Chicago, Cincinnati & Louisville Railroad (CC&L) (1)
• Chicago, Fort Madison & Des Moines Railroad (4)
• Chicago, Fort Wayne & Eastern Railroad (CFE) (4)
• Chicago, Ft. Wayne, & Eastern Railroad (CFE) (7)
• Chicago, Indiana & Southern Railroad (CI&S) (9)
• Chicago, Indianapolis, & Louisville Railway (CIL) (21)
• Chicago, Kansas & Nebraska Railway (CK&N) (5)
• Chicago, Kansas & Western Railroad (CK&W) (4)
• Chicago, Madison & Northern Railroad (CM&N) (3)
• Chicago, Milwaukee & Gary Railway (CM&G) (5)
• Chicago, Milwaukee & Puget Sound Railway (CM&PS) (3)
• Chicago, Milwaukee, St. Paul & Pacific Railroad (MILW; CMStP&P; CMStP) (1,001)
• Chicago, Missouri & Western Railway (CM&W; CMNW) (2)
• Chicago, North Shore & Milwaukee Railroad (CNSM) (19)
• Chicago, Ottawa & Peoria Railway (CO&P) (11)
• Chicago, Rock Island & Pacific Railroad (CRIP (1866-1920); RI (1920-1975) ROCK (1975-1980)) (1,081)
• Chicago, Rock Island, & Gulf Railway (CRIG) (13)
• Chicago, South Shore, & South Bend Railroad (CSS) (16)
• Chicago, St. Paul & Fond du Lac Railroad (CStP&FdL) (1)
• Chicago, St. Paul, Minneapolis & Omaha Railway (CMO) (138)
• Chicago, Terre Haute & Southeastern Railway (CTH&S) (5)
• Choctaw, Oklahoma & Gulf Railroad (CO&G) (21)
• Cincinnati & Chicago Air-Line Railroad (1)
• Cincinnati & Columbus Traction Co. (C&C) (3)
• Cincinnati & Dayton Traction Co. (C&DT) (2)
• Cincinnati & Lake Erie Railroad (C&LE) (5)
• Cincinnati & Muskingum Valley Railroad (C&MV) (1)
• Cincinnati Belt Line Railroad (1)
• Cincinnati Northern Railroad (CNOR) (4)
• Cincinnati Southern Railway (CNTP) (28)
• Cincinnati Street Railway (2)
• Cincinnati, Bluffton, & Chicago Railroad (CB&C) (1)
• Cincinnati, Dayton & Toledo Traction Co. (CD&T) (3)
• Cincinnati, Hamilton & Dayton Railway (1895-1917) (CH&D) (11)
• Cincinnati, Hamilton & Dayton Railway (1926-1930 Interurban) (CH&D) (2)
• Cincinnati, Indianapolis & Western Railroad (CIWN) (2)
• Cincinnati, Jackson & Mackinaw Railroad (CJ&M) (1)
• Cincinnati, Jackson & Michigan Railway (CJ&M) (1)
• Cincinnati, Lebanon, & Northern Railroad (CL&N) (2)
• Cincinnati, New Orleans, & Texas Pacific Railway (CNO&TP; CNTP) (26)
• Cincinnati, Richmond, & Muncie Railroad (2)
• Cincinnati, Van Wert & Michigan Railroad (CVW&M) (1)
• Cincinnati, Wabash & Michigan Railway (CW&M) (1)
• Citizens Traction Co. (3)
• City & Suburban Railway (Maryland) (2)
• City & Suburban Railway (Portland) (2)
• City of Prineville Railway (COP) (1)
• Claremont Concord Railroad (CCRR) (9)
• Clarendon & Pittsford Railroad (CLP) (8)
• Clarendon & Proctor Railroad (1)
• Cleveland & Columbus Railroad (C&CRy) (1)
• Cleveland & Eastern Traction Co. (C&ET) (1)
• Cleveland & Marietta Railway (2)
• Cleveland & Youngstown Railroad (2)
• Cleveland Columbus Cincinnati & St Louis Railroad (1)
• Cleveland Railway (4)
• Cleveland Short Line Railroad (2)
• Cleveland Southwestern Railway & Light Co. (CSW) (1)
• Cleveland Terminal & Valley Railroad (CT&V) (1)
• Cleveland Transit System (CTS) (1)
• Cleveland Union Terminal Railroad (CUT) (1)
• Cleveland, Akron, & Columbus Railroad (CA&C) (1)
• Cleveland, Cincinnati, Chicago & St. Louis Railway (CCC&StL) (155)
• Cleveland, Columbus, Cincinnati & Indianapolis Railway (CCC&I) (4)
• Cleveland, Elyria & Western Railway (CE&W) (1)
• Cleveland, Painesville & Ashtabula Railroad (CP&A) (1)
• Cleveland, Painesville & Ashtabula Railroad (1848-1868) (CP&A) (1)
• Cleveland, Painesville & Eastern Railroad (CP&E) (2)
• Cleveland, Terminal & Valley Railway (1)
• Cliffs Erie Railroad (LVTX) (4)
• Clinton, Davenport, & Muscatine Railway (CD&M) (30)
• Cloquet Terminal Railroad (CTRR) (1)
• Co-Operative Transit Co. (1)
• Coal & Coke Railway (1)
• Coal River & Western Railway (1)
• Colebrookdale Railroad (CRR) (6)
• Colorado & Southern Railroad (CS) (24)
• Colorado & Wyoming Railway (CW) (3)
• Colorado Midland Railroad (CM) (8)
• Columbia & Cowlitz Railway (CLC) (2)
• Columbia & Greenville Railway (C&GR) (2)
• Columbia & Neahalem Valley Railroad (1)
• Columbia & Nehalem River Railroad (4)
• Columbia & Port Deposit Railroad (C&PD) (3)
• Columbia & Red Mountain Railroad (C&RM) (2)
• Columbia Southern Railroad (2)
• Columbia Terminal Railroad (COLT) (20)
• Columbia, Newberry & Laurens Railroad (CNL) (1)
• Columbus & Greenville Railway (CAGY) (6)
• Columbus & Ohio River Railroad (COUH) (14)
• Columbus & Southern Ohio Electric Co. (C&SOE) (1)
• Columbus Consolidated Street Railway Co. (CCSR) (1)
• Columbus Railway Power & Light Co. (CRP&L) (1)
• Columbus, London & Springfield Railway (CL&S) (1)
• Columbus, Newark & Zanesville Traction Co. (CN&Z) (2)
• Columbus, Piqua, & Indiana Railroad (CP&I) (5)
• Commonwealth & Southern Corp. (1)
• Commonwealth Railway (3)
• Commuter Rail (439)
• Compañía de los Ferrocarriles de Puerto Rico (FCPR) (7)
• Concho, San Saba & Llano Valley Railroad (1)
• Concord & Manchester Electric Railway (2)
• Concord & Montreal Railroad (1)
• Concord Railroad (2)
• Conemaugh & Black Lick Railroad (C&BL) (5)
• Coney Island & Brooklyn Railroad (CI&B) (1)
• Conneaut & Erie Traction Co. (C&ET) (1)
• Connecticut Central Railroad (CCCL) (9)
• Connecticut Company (ConnCo) (17)
• Connecticut Railway & Lighting Co. (CR&L) (9)
• Connecticut River Railroad (6)
• Connecticut Southern Railroad (CSOR) (12)
• Connellsville Central Railroad (1)
• Conrail (CR) (1,464)
• Conrail Shared Assets Operations (CRCX) (75)
• Consolidated Railway, Gas & Electric Co. (CRG&E) (2)
• Consumers Electric Light & Street Railway Co. (CEL&SR) (3)
• Conway Scenic Railroad (CSRX) (15)
• Cooperstown & Charlotte Valley Railroad (CACV) (3)
• Coors Brewery Railroad (CORX) (1)
• Coos Bay Rail Link (CBR) (26)
• Copper Basin Railway (CBRY) (5)
• Copper Range Railroad (COPR) (6)
• Copper River & Northwestern Railway (CR&NW) (4)
• Cornwall & Lebanon Railroad (C&L) (4)
• Cornwall Railroad (CWL) (1)
• Corry & Columbus Street Railway (1)
• Cortland County Traction Co. (CCT) (1)
• Corvallis & Eastern Railroad (C&E) (2)
• Council Bluffs Railway (CBGR) (1)
• Crawfordsville & Wabash Railroad (C&W) (1)
• Crooked Creek Railroad & Coal Co. (CCR) (2)
• Crystal City & Uvalde Railroad (CC&U) (1)
• Cumberland & Pennsylvania Railroad (C&P) (3)
• Cumberland & Westernport Electric Railway (1)
• Cumberland Electric Railway Co. (1)
• Cumberland Valley Railroad (CVRR) (21)
• Cumberland Valley Traction Co. (CVT) (2)
• Cumbres & Toltec Scenic Railroad (C&TS) (8)
• Curry Run Railroad (1)
• Cuyahoga Valley Scenic Railroad (CVSR) (3)

• D&W Railroad (D&W) (6)
• Daggett-Calico Railroad (1)
• Daisy Line (1)
• Dakota & Iowa Railroad (DAIR; D&I) (8)
• Dakota Northern Railroad (3)
• Dakota Rail Incorperated (DAKR) (2)
• Dakota Southern Railway (DSRC) (3)
• Dakota, Minnesota, & Eastern Railroad (DME) (340)
• Dallas Area Rapid Transit (DART) (20)
• Dallas Northwestern Traction Co. (1)
• Dallas Railway & Terminal Co. (DR&T) (2)
• Dallas Southwestern Traction Co. (1)
• Dallas, Garland & Northeastern Railroad (DGNO) (4)
• Dallas-Terrell Interurban Railway Co. (1)
• Dana Lumber Co. (1)
• Danbury & Norwalk Railroad (D&N) (2)
• Dansville & Mount Morris Railroad (DMM) (1)
• Danville & Western Railway (D&W) (4)
• Dardanelle,Ola, & Southern Railroad (DO&S) (1)
• Dare Lumber Company Railroad (1)
• Davenport & Muscatine Railway (D&M) (17)
• Davenport & North Western Railway (D&NW) (2)
• Davenport & St. Paul Railroad (D&StP) (2)
• Davenport, Iowa & Dakota Railroad (DI&D) (2)
• Davenport, Rock Island, & Northwestern Railroad (DRINW; DRI&NW) (15)
• Dayton & Cincinnati Railroad (D&C) (1)
• Dayton & Troy Electric Railway (D&T) (1)
• Dayton Street Railway (2)
• Dayton, Covington & Piqua Traction Co. (DC&P) (1)
• Dayton, Springfield & Urbana Electric Railway (DS&U) (1)
• DeQueen & Eastern Railroad (DQE) (2)
• Deadwood Central Railroad (DCRX) (1)
• Decatur, Chesapeake, & New Orleans Railroad (DC&NO) (1)
• Delaware & Eastern Railroad (D&E) (1)
• Delaware & Hudson Gravity Railroad (1)
• Delaware & Hudson Railroad (6)
• Delaware & Hudson Railway (DH) (134)
• Delaware & Northern Railroad (D&N) (1)
• Delaware & Ulster Railroad (DURR) (2)
• Delaware Coast Line Railroad (DCLR) (1)
• Delaware River Railroad (1)
• Delaware, Lackawanna & Western Railroad (DLW) (189)
• Delaware, Lackawaxen & Stourbridge Railroad (DL&S) (1)
• Delaware, Maryland & Virginia Railroad (DM&V) (1)
• Delaware-Lackawanna Railroad (DL) (13)
• Delmarva Central Railroad (1)
• Delray Connecting Railroad (DCAX) (5)
• Delta Southern Railroad (DSRR) (1)
• Denison & Southeastern Railway (1)
• Denver & Rio Grande Scenic Railroad (1)
• Denver & Rio Grande Western Railroad (DRGW) (165)
• Denver & Salt Lake Railway (D&SL) (40)
• Denver Tramway Co. (DTC) (2)
• Denver, Northwestern & Pacific Railway (DNW&P) (40)
• Denver, South Park & Pacific Railroad (DSP&P) (10)
• Depew, Lancaster & Western Railroad (DLWR) (4)
• Des Moines & Central Iowa Railway (DCI; DMCI) (17)
• Des Moines & Kansas City Railway (DM&KC) (1)
• Des Moines & Northern Railway (DM&N) (1)
• Des Moines & St. Louis Railroad (DM&StL) (1)
• Des Moines City Railway Co. (DMCRy) (4)
• Des Moines Railway (DMRy) (7)
• Des Moines Union Railway (DMU) (2)
• Des Moines, Adel & Western Railway (DMA&W) (1)
• Des Moines, Northern & Western Railroad (DMN&W) (1)
• Deschutes River Railroad (DRR) (7)
• Detroit & Lima Northern Railway (1)
• Detroit & Mackinac Railway (DM) (3)
• Detroit & Toledo Short Line Railroad (1)
• Detroit United Railway (DUR) (2)
• Detroit, Eel River, & Illinois Railroad (DER&I) (2)
• Detroit, Grand Rapids & Western Railroad (DGR&W) (1)
• Detroit, Jackson & Chicago Railway (DJ&C) (1)
• Detroit, Lansing & Northern Railroad (DL&N) (1)
• Detroit, Toledo & Ironton Railroad (DTI) (21)
• Detroit, Ypsilanti & Ann Arbor Railway (DY&AA) (1)
• Detroit, Ypsilanti, Ann Arbor & Jackson Railway (DYAA&J) (1)
• Dighton & Somerset Railroad (3)
• Disneyland Railroad (DRR) (4)
• DuPont Dynamite Railroad (1)
• Dubois County Railroad (DCRR) (3)
• Duluth & Northeastern Railroad (DNE) (2)
• Duluth Street Railway (DSR) (1)
• Duluth, Missabe & Iron Range Railway (DMIR) (24)
• Duluth, Missabe & Northern Railroad (DMN) (7)
• Duluth, Rainy Lake, & Winnipeg Railway (DRL&W) (1)
• Duluth, South Shore, & Atlantic Railway (DSSA) (12)
• Duluth, Winnipeg & Pacific Railway (DWP) (10)
• Duluth-Superior Transit Co. (DST) (3)
• Dunderberg Spiral Railway (2)
• Durango & Silverton Narrow Gauge Railroad (DSNG) (4)
• Durbin & Greenbrier Valley Railroad (DGVR) (2)
• Durham and Southern Railway (1)

• Eagle Mountain Railroad (EMRR) (6)
• East Bay Electric Lines (1)
• East Broad Top Railroad & Coal Co. (EBT) (11)
• East Erie Commercial Railroad (EEC) (2)
• East Penn Railroad (ESPN) (8)
• East Portland Traction Co. (EPTC) (1)
• East Side Railway (2)
• East St. Louis & Suburban Railway (EStL&S) (2)
• East St. Louis, Columbia & Waterloo Railroad (EStLCW) (2)
• East Tennesse, Virginia & Georgia Railway (ETV&G) (1)
• East Tennessee & Georgia Railroad (ET&G) (2)
• East Tennessee & Western North Carolina Railroad (ETWN) (3)
• East and West Coast Railway (1)
• Eastern Alabama Railway (EARY) (1)
• Eastern Idaho Railroad (EIRR) (5)
• Eastern Kentucky Railroad (EK) (5)
• Eastern Maine Railway (EMRY) (7)
• Eastern Mass Street Railway (1)
• Eastern Ohio Traction Co. (EOT) (1)
• Eastern Railroad (9)
• Eastern Wisconsin Electric Co. (1)
• Easton & Northern Railroad (E&N) (1)
• Easton Transit Co. (ETC) (1)
• El Dorado & Wesson Railway (EDW) (2)
• El Dorado Western Railroad (EDW) (2)
• El Paso & Southwestern Railroad (EP&SW) (8)
• El Paso City Lines (EPCL) (4)
• El Paso Electric Railway (EPE) (3)
• Electric Short Line Railway (ESL) (1)
• Elgin & Belvidere Electric Co. (E&B) (3)
• Elgin, Aurora & Southern Traction Co. (EA&S) (1)
• Elgin, Joliet & Eastern Railway (EJE) (43)
• Elizabethtown & Paducah Railroad (E&P) (1)
• Elizabethtown, Lexington & Big Sandy Railroad (EL&BS) (3)
• Elk River Railroad (1)
• Elkhart and Western Railroad (2)
• Ellis & Eastern Railroad (EE) (4)
• Elmira, Corning & Northern Railway (EC&N) (1)
• Elmira, Corning & Waverly Railway (EC&W) (4)
• Elmira, Cortland & Northern Railroad (5)
• Empire Mining Co. (1)
• Empire State Railway (ESR) (1)
• Enos Electric Railway Company of St. Paul (1)
• Ensley Southern Railroad (ESRR) (1)
• Erie & Pittsburgh Railroad (EP) (1)
• Erie Lackawanna Railroad (EL) (374)
• Erie Railroad (ERIE) (263)
• Erie Western Railway (ERES) (3)
• Escanaba & Lake Superior Railroad (ELS) (14)
• Escanaba Street Railway (1)
• Escanaba Traction Co. (ETC) (1)
• Eureka Southern Railroad (EUKA) (5)
• European & North American Railway (E&NA) (4)
• Evansville & Indianapolis Railroad (E&I) (2)
• Evansville & Princeton Traction Co. (E&PT) (1)
• Evansville & Southern Indiana Traction Co. (E&SI) (1)
• Evansville Western Railroad (EVWR) (5)
• Evansville, Indianapolis, & Terre Haute Railway (EI&TH) (3)
• Evansville, Mount Carmel & Northern Railroad (EMC&N) (8)
• Evansville, Owensboro & Nashville Railroad (EO&N) (1)
• Evansville, Princeton & Vincennes Interurban Railway (EP&V) (1)

• Fairmount Park Transit Co. (FPTC) (3)
• Fajardo Development Co. Railway (FDC) (3)
• Fajardo Railroad (3)
• Falls Road Railroad (FRR) (4)
• Family Lines System (FL) (78)
• Farmrail Corporation (FMRC) (6)
• Federal Barge Lines Railroad (1)
• Fernley & Lassen Railway (F&L) (6)
• Ferrocarril del Sureste (Ferrosur) (FSRR) (1)
• Ferromex (FXE) (4)
• Finger Lakes Railway (FGLK) (13)
• First Coast Railroad (FCRD) (2)
• Fish River Railroad (1)
• Fitchburg Railroad (27)
• Flambeau Paper Company Railroad (FPCO) (1)
• Flats Industrial Railroad (FIR) (1)
• Florence & Cripple Creek Railroad (F&CC) (3)
• Florida Central Railroad (FCEN) (1)
• Florida East Coast Railway (FEC) (43)
• Florida Midland Railroad (FMID) (1)
• Fonda, Johnstown & Gloversville Railroad (FJ&G) (5)
• Fordyce & Princeton Railroad (FP) (2)
• Fort Dodge, Des Moines & Southern Railway (FDDM) (59)
• Fort Lincoln Trolley (2)
• Fort Scott & Eastern Railway (FS&E) (2)
• Fort Smith Light & Traction Co (FSL&T) (2)
• Fort Smith and Western Railway (2)
• Fort Wayne & Jackson Railroad (FW&J) (1)
• Fort Wayne & Wabash Valley Traction Co. (FtW&WV) (12)
• Fort Wayne, Logansport, Lafayette & Lima Traction Co. (FtWLL&L) (1)
• Fort Worth & Denver Railway (FW&D) (10)
• Fort Worth & Rio Grande Railway (FW&RG) (1)
• Fort Worth & Western Railroad (FWWR) (5)
• Fort Worth Southern Traction Co. (FWST) (1)
• Fort Worth Transportation Authority (FWTA) (4)
• Fox River Valley Railroad (FRVR) (2)
• Fox Valley & Western Ltd. (FVW) (18)
• Franklin & Clearfield Railroad (F&C) (5)
• Franklin & Tilton Railroad (2)
• Franklin Industrial Minerals Railroad (FIMX) (13)
• Franklin Street Railway (1)
• Fredericksburg & Northern Railway (F&N) (2)
• Fremont, Elkhorn & Missouri Valley Railroad (FE&MV) (1)
• French Lick Scenic Railway (1)
• French Lick West Baden Railroad (FLWB) (4)
• Ft. Wayne, Van Wert & Lima Traction Co. (FtWVW&L) (1)
• Funicular (7)

• Galena & Chicago Union Railroad (G&CU) (2)
• Galena & Southern Wisconsin Railroad (G&SWRR) (1)
• Galveston, Harrisburg, & San Antonio Railroad (GH&SA) (10)
• Galveston, Houston & Henderson Railroad (GH&H) (9)
• Galveston-Houston Electric Railway (G&HE) (4)
• Gateway Western Railroad (GWWR) (35)
• Genesee & Wyoming Inc. (G&W) (75)
• George's Creek & Cumberland Railroad (GC&C) (3)
• Georgetown Loop Railroad (GLRX) (4)
• Georgetown Railroad (GRR) (3)
• Georgia & Alabama Railway (G&ARy) (1)
• Georgia & Florida Railway (GFRR) (3)
• Georgia Central Railway (GC) (1)
• Georgia Northeastern Railroad (GNRR) (4)
• Georgia Northerneastern Railroad (GNRR) (1)
• Georgia Railroad (GA) (4)
• Georgia Railway & Electric Co. (1)
• Georgia Southwestern Railroad (GSWR) (4)
• Glen Echo Railroad Co. (2)
• Gouverneur and Oswegatchie Railroad (G&O) (3)
• Grainbelt Corporation (GNBC) (1)
• Grand Canyon Railway (GCRY) (1)
• Grand Central Station Railroad (GCS) (1)
• Grand Elk Railroad (2)
• Grand Rapids & Indiana Railroad (GR&I) (9)
• Grand Rapids, Grand Haven & Muskegon Railway (GRGH&M) (1)
• Grand Rapids, Holland & Chicago Railway (GRH&C) (2)
• Grand Rapids, Holland & Lake Michigan Rapid Railway (GRH&LM) (2)
• Grand Rapids, Kalamazoo, & South Haven Railway (GRK&SH) (1)
• Grand Trunk Railroad (GT) (13)
• Grand Trunk Western Railroad (GTW) (22)
• Grant Street Electric Railway (1)
• Grapevine Vintage Railroad (GVRX) (1)
• Great Falls & Old Dominion Railroad (GF&OD) (1)
• Great Falls Street Railway (2)
• Great Miami & Scioto Railway (GMRY) (1)
• Great Northern Railway (GN) (352)
• Great Northwest Railroad (GRNW) (5)
• Great Smoky Mountains Railroad (GSM) (5)
• Great Southwest Railroad (GSW) (2)
• Greater Cleveland Regional Transit Authority (RTA) (4)
• Green Bay & Western Railroad (GB&W) (14)
• Green Mountain Railroad (GMRC) (15)
• Greenfield-Montague Transportation Authority (1)
• Greenville, Spartanburg, & Anderson Railroad (GS&A) (1)
• Greenwich & Johnsonville Railway (G&J) (14)
• Grenada Railway (GRYR) (1)
• Groton & Stonington Street Railway (G&S) (2)
• Guilford Rail System (GRS) (101)
• Gulf, Colorado & Santa Fe Railway (GC&SF) (26)
• Gulf, Colorado, & San Saba Railway (GCSR) (9)
• Gulf, Mobile & Northern Railroad (GMN) (3)
• Gulf, Mobile & Ohio Railway (GMO) (109)
• Gurdon & Fort Smith Railroad (G&FtS) (2)

• Hagerstown & Frederick Railway (H&F) (2)
• Hammond, Whiting & East Chicago Streetcar Co. (HW&EC) (1)
• Hampden Railroad (1)
• Hannibal & St. Joseph Railway (2)
• Harbison-Walker Refractories Company Railroad (2)
• Harriman & Northeastern Railroad (HNE) (1)
• Hartford & New Haven Railroad (H&NH) (10)
• Hartford & Slocomb Railroad (HS) (1)
• Hartford & Springfield Street Railway Co. (1)
• Hartford & Worcester Street Railroad (1)
• Hartford Street Railway (2)
• Hartford, Providence & Fishkill Railroad (HP&F) (48)
• Hawaii Consolidated Railway (HCR) (12)
• Hawaii Railroad Society (HRS) (2)
• Heart of Georgia Railroad (GSWR) (1)
• Heart of Texas Railroad (HTR) (1)
• Heber Valley Historic Railroad (HVRR) (2)
• Henderson Mine Railroad (1)
• Heritage Rail Trail (1)
• Herzog Contracting Corporation (HZGX) (2)
• Hetch Hetchy Railroad (HHRR) (1)
• Hibernia Mine Railroad (1)
• High Point, Thomasville & Denton Railroad (HPT&D) (2)
• Hobo Railroad (HBX) (13)
• Hocking Valley Railway (HV) (5)
• Hocking Valley Scenic Railway (HVSR) (3)
• Holly & Swink Railroad (1)
• Holton Interurban Railroad (HIR) (1)
• Horry County Railroad (HCYR) (1)
• Houghton Country Traction (1)
• Housatonic Railroad (HRRC) (20)
• Houston & Texas Central Railway (H&TC) (6)
• Houston Belt & Terminal Railway (HBT) (12)
• Houston Electric Co. (HE) (3)
• Houston-North Shore Railway (HNS) (1)
• Hudson & Manhattan Railroad (H&M) (5)
• Hudson Valley Railway (HVR) (11)
• Humboldt Northern Railway (HN) (1)
• Humeston & Shenandoah Railway (H&S) (1)
• Hummelstown & Campbelltown Street Railway (H&C) (1)
• Huntingdon & Broad Top Mountain Railroad (H&BTM) (2)

• I&M Rail Link (IMRL) (159)
• ISG Cleveland Works Railway (CWRO) (1)
• Idaho & Washington Northern Railroad (I&WN) (4)
• Idaho Northern & Pacific Railroad (INPR) (10)
• Idaho Traction Co. (ITC) (2)
• Illinois & Midland Railroad (IMRR) (10)
• Illinois Central Railroad (IC; ICG (1972-1988)) (573)
• Illinois Northern Railroad (1)
• Illinois Power Co. (1)
• Illinois Railway (IR) (14)
• Illinois Railway Museum (MUSE) (1)
• Illinois Southern Railway (2)
• Illinois Terminal Railroad (IT; ITC) (47)
• Illinois Traction System (ITS) (34)
• Illinois Valley & Northern Railroad (IV&N) (2)
• Illinois Valley Railway (IV) (5)
• Ilwaco Railroad (1)
• Ilwaco Railway & Navigation Co. (IR&N) (1)
• Independent Subway System (IND; ISS) (10)
• Indiana & Cincinatti Railway (I&C) (1)
• Indiana & Ohio Railway (IORY) (20)
• Indiana Eastern Railroad (IERR) (1)
• Indiana Harbor Belt Railroad (IHB) (18)
• Indiana Hi-Rail Corporation (IHRC) (1)
• Indiana Northeastern Railroad (IN) (3)
• Indiana Rail Road (INRD) (35)
• Indiana Railroad (IR) (36)
• Indiana Service Corporation (ISC) (9)
• Indiana Southern Railroad (ISRR) (11)
• Indiana Transportation Museum (ITM) (3)
• Indiana, Bloomington & Western Railway (IB&W) (3)
• Indiana, Columbus & Eastern Traction Co. (IC&ET) (2)
• Indiana, Illinois & Iowa Railroad (II&I) (1)
• Indianapolis & Cincinnati Traction Co. (I&CT) (4)
• Indianapolis & Louisville Traction Co. (I&L) (2)
• Indianapolis & Northwestern Traction Co. (I&NW) (2)
• Indianapolis & Southeastern Railroad (I&S) (3)
• Indianapolis Street Railroad (ISR) (1)
• Indianapolis Union Railway (IU) (1)
• Indianapolis, Columbus & Southern Traction Co. (IC&S) (4)
• Indianapolis, New Castle, & Toledo Electric Railway (INC&T) (3)
• Inter-State Consolidated Rapid Transit Railway (2)
• Inter-Urban Railway Co. (2)
• Interborough Rapid Transit (IRT) (6)
• International & Great Northern Railroad (I&GN) (12)
• International Bridge & Terminal Co. (IBT) (1)
• International Railway Co. (IRC) (5)
• International Railway of Maine (12)
• Interstate Railroad (INT) (3)
• Interstate Transfer Railroad Company (ITRC) (2)
• Interurban (902)
• Interurban Electric Railway (IER) (3)
• Iola Electric Railway (8)
• Ionia & Lansing Railroad (I&L) (1)
• Iowa & Illinois Railway (I&I) (10)
• Iowa Central Railway (IAC) (41)
• Iowa City & Western Railway (1)
• Iowa City Electric Railway (1)
• Iowa Interstate Railroad (IAIS) (187)
• Iowa Northern Railway (IANR) (57)
• Iowa Northwestern Railroad (IANW) (8)
• Iowa Pacific Holdings (IP) (5)
• Iowa Railroad (IRRC) (35)
• Iowa River Railroad (IARR) (9)
• Iowa Southern Railway (ISRY) (7)
• Iowa Southern Utilities/Southern Industrial Railroad (ISU) (4)
• Iowa Terminal Railroad (ITR) (8)
• Iowa Traction Railroad (IATR) (2)
• Iowa Transfer Railway (1)
• Iowa, Chicago & Eastern Railroad (ICE) (222)
• Ironton Railroad (IRON) (1)
• Ithica Street Railway (1)

• Jackson & Battle Creek Traction Co. (J&BC) (1)
• Jackson & Lansing Railroad (JAIL) (2)
• Jackson and Lansing Railroad (2)
• Jacksonville & Havana Railroad (JH) (1)
• Jacksonville, Saint Augustine & Indian River Railway (JSA&IR) (1)
• Jamestown, Chautauqua & Lake Erie Railway (JCLE) (1)
• Jamestown, Franklin & Clearfield Railroad (JF&C) (3)
• Jeffersonville, Madison & Indianapolis Railroad (JMI) (3)
• Jersey Central Traction Co. (JCT) (2)
• Johnstown & Stony Creek Railroad (J&SC) (1)
• Johnstown Traction Co. (JTC) (6)
• Joliet & Eastern Traction Co. (J&E) (1)
• Joliet & Southern Traction Co. (J&S) (2)
• Joliet Junction Railroad (1)
• Joliet, Plainfield & Aurora Railroad (JP&A) (1)
• Junction City & Fort Kearney Railroad (JC&FK) (1)
• Junction City & Fort Riley Railroad (JC&FR) (1)
• Juniata Valley Railroad (JVRR) (2)

• Kanawha & Michigan Railway (K&M) (5)
• Kanawha Bridge & Terminal Co. (1)
• Kankakee & Seneca Railroad (K&S) (2)
• Kankakee, Beaverville & Southern Railroad (KBSR) (17)
• Kansas & Missouri Railway & Terminal (K&MR&T) (1)
• Kansas & Oklahoma Railroad (KO) (5)
• Kansas City Belt Railway (2)
• Kansas City Cable Railway (1)
• Kansas City Elevated Railway (3)
• Kansas City Northwestern Railway (KCNW) (1)
• Kansas City Public Service Co. (KCPS) (12)
• Kansas City Southern Railway (KCS) (221)
• Kansas City Southern de México (KCSM) (1)
• Kansas City Suburban Belt Railroad (KCSB) (1)
• Kansas City Terminal Railway (KCT) (18)
• Kansas City, Burlington & Santa Fe Railway (KCB&SF) (1)
• Kansas City, Clay County & St. Joseph Railway (KCCC&StJ) (18)
• Kansas City, Clinton & Springfield Railway (KCC&S) (4)
• Kansas City, Kaw Valley & Western Railway (KV&W; KCKV&W) (4)
• Kansas City, Memphis & Birmingham Railroad (KCM&B) (2)
• Kansas City, Mexico & Orient Railway (KCM&O) (2)
• Kansas City, Pittsburg & Gulf Railroad (KCP&G) (1)
• Kansas City-Kaw Valley Railroad (KCKV) (2)
• Kansas Eastern Railroad (KER) (2)
• Kansas Pacific Railway (KP) (2)
• Kansas, Oklahoma & Gulf Railway (KO&G) (8)
• Kasgro Rail Lines (KRL) (1)
• Kaw River Railroad (KAW) (1)
• Kaydeross Railroad (3)
• Keeseville, AuSable Chasm & Lake Champlain Railroad (KAC&LC) (1)
• Kennebec & Portland Railroad (K&P) (1)
• Kennecott Utah Copper Corporation Railroad (KCC) (12)
• Kensington & Tacony Railroad (1)
• Kentucky & Indiana Bridge & Railroad Co. (K&IB&R) (1)
• Kentucky & Indiana Terminal Railroad (K&IT) (6)
• Kentucky & Tennessee Railway (KT) (2)
• Kentucky Railway Museum (KRM) (3)
• Keokuk & Des Moines Railway (K&DM) (16)
• Keokuk & Western Railroad (K&W) (2)
• Keokuk Junction Railway (KJRY) (9)
• Keota - Washington Transportation Company (KWTR) (18)
• Kerry Timber Company (4)
• Kettle Falls International Railway (KFR) (3)
• Kewash Railroad (KEWH) (1)
• Key System (2)
• Kiamichi Railroad (KRR) (14)
• Kingston Terminal Railroad (KTER) (1)
• Knoxville & Holston River Railroad (KXHR) (4)
• Knoxville, Cumberland Gap & Louisville Railroad (KCG&L) (3)
• Knoxville, LaFollette & Jellico Railroad (KLF&J) (1)
• Koko Head Railroad (1)
• Kokomo Belt Railroad (1)
• Kokomo Street Railways (1)
• Kokomo, Marion & Western Traction Co. (KM&W) (1)
• Kyle Railroad (KYLE) (11)

• Lackawanna Cut-off (32)
• Laconia Street Railroad (1)
• Lafayette & Logansport Traction Co. (L&L) (3)
• Lafayette Street Railway (1)
• Lake Champlain & Moriah Railroad (LC&M) (5)
• Lake Erie & Eastern Railroad (LE&E) (4)
• Lake Erie & Western Railroad (LE&W) (6)
• Lake Shore & Michigan Southern Railroad (LS&MS) (48)
• Lake Shore Electric Railway (LSE) (13)
• Lake State Railway (LSRC) (1)
• Lake Street Elevated Railroad (LSER) (1)
• Lake Superior & Ishpeming Railroad (LSI) (4)
• Lake Superior Railroad Museum (LSRX) (3)
• Lake Terminal Railroad (LT) (2)
• Lamoille Valley Railroad (LVRC) (24)
• Lancaster & Chester Railway (LC) (4)
• Lansing Manufacturers Railroad (1)
• Lapeer Industrial Railroad (LIRR) (1)
• Las Vegas Railway & Power Co. (1)
• Lawrence & Pleasant Hill Railroad Co. (L&PH) (2)
• Lebanon & Pine Grove Railroad (L&PG) (1)
• Lebanon & Tremont Railroad (L&T) (1)
• Lebanon Mason Monroe Railroad (LM&M) (1)
• Lehigh & Hudson River Railway (LHR) (12)
• Lehigh & New England Railroad (LNE) (8)
• Lehigh & Susquehanna Railroad (2)
• Lehigh Valley Railroad (LV) (113)
• Lehigh Valley Transit Co. (LVT) (14)
• Leon, Mount Ayr & Southwestern Railroad (LMA&SW) (1)
• Lewisburg & Tyrone Railroad (L&T) (1)
• Lewiston, Augusta & Waterville Street Railway (LA&W) (4)
• Lexington & Frankfort Railroad (L&F) (2)
• Lexington & Ohio Railroad (LXOH) (1)
• Lexington & Sedalia Railroad (L&S) (2)
• Light Rail (17)
• Light RailLink (1)
• Lima & Toledo Traction Co. (L&T) (1)
• Litchfield & Madison Railway (LM) (1)
• Little Falls & Dolgeville Railroad (1)
• Little Miami Railroad (LMRR) (4)
• Little River Railroad (LRR) (1)
• Little Rock & Monroe Railway (1)
• Little Rock & Western Railway (LRWN) (47)
• Little Rock Street Railway & Electric Company (LRSR&EC) (1)
• Little Toot (1)
• Live Oak, Perry & South Georgia Railway (LOPSG) (1)
• Livonia, Avon & Lakeville Railroad (LAL) (5)
• Lockheed Georgia Nuclear Aircraft Laboratory Railroad (2)
• Long Island Railroad (LI) (74)
• Longhorn Railroad (LHRR) (5)
• Lookout Mountain Incline Railway (2)
• Lorain & Cleveland Railway (L&C) (2)
• Lorain & West Virginia Railway (LWV) (2)
• Lorton & Occoquan Railroad (L&O) (1)
• Los Angeles & Salt Lake Railroad (LA&SL; SLR) (4)
• Los Angeles & San Gabriel Valley Railroad (LA&SG) (1)
• Los Angeles Cable Railway (1)
• Los Angeles County Metropolitan Transportation Authority (LACM) (18)
• Los Angeles Junction Railway (LAJ) (1)
• Los Angeles Railway (LARy) (10)
• Los Angeles Transit Lines (LATL) (4)
• Louisiana & Delta Railroad (LDRR) (1)
• Louisiana & North West Railroad (LNW) (1)
• Louisiana Arkansas Railroad (1)
• Louisiana Midland Railway (LOAM) (3)
• Louisiana and Arkansas Railway (LA) (5)
• Louisville & Frankfort Railroad (1)
• Louisville & Indiana Railroad (LIRC) (11)
• Louisville & Interurban Railroad (L&I) (2)
• Louisville & Nashville Railroad (L&N; LN) (253)
• Louisville & Northern Railway & Lighting Co. (L&NR&L) (2)
• Louisville & Southern Indiana Traction Co. (L&SI) (4)
• Louisville Southern Railroad (LS) (1)
• Louisville Traction Company (LTC) (1)
• Louisville, Cincinnati & Charleston Railroad (LC&C) (1)
• Louisville, Cincinnati & Lexington Railroad (1869-1877) (1)
• Louisville, Cincinnati & Lexington Railroad (1877-1881) (1)
• Louisville, New Albany & Chicago Railroad (LNA&C) (2)
• Lowville & Beaver River Railroad (LBR) (2)
• Luzerne & Susquehanna Railway (5)
• Lycoming Valley Railroad (LVRR) (3)
• Lykens Valley Railroad (LKVY) (1)
• Lynchburg & Durham Railroad (L&D) (4)
• Línea Férrea del Oeste (2)

• MAX Light Rail (MAX) (4)
• Macomb & Western Illinois Railway (M&WI) (1)
• Macomb, Industry & Littleton Railway (MI&L) (2)
• Macon, Dublin & Savannah Railroad (MD&S) (1)
• Madison & Indianapolis Railroad (2)
• Madison Railroad (CMPA; MRR) (6)
• Maine Central Railroad (MEC) (104)
• Maine Coast Railroad (MC) (3)
• Maine Eastern Railroad (MERR) (24)
• Maine Northern Railway (MNRY) (3)
• Maine Shoreline Railway (2)
• Malheur Valley Railway (MRR) (1)
• Manchester & North Weare Railroad Company (M&NW) (1)
• Manhattan City & Interurban Railway (MC&I) (1)
• Manistee Light & Traction Co. (ML&T) (1)
• Manufacturers' Junction Railway (1)
• Mare Island Rail Services (MIRS) (1)
• Marietta & Cincinnati Railroad (M&C) (1)
• Marietta, Columbus & Cleveland Railroad (MC&C) (8)
• Marinette, Tomahawk & Western Railway (MT&W) (1)
• Marion Electric Street Railway (1)
• Market Street Railway (1)
• Marquette Rail (MQT) (1)
• Marquette, Houghton & Ontonagon Railroad (1)
• Maryland & Delaware Railroad (MDDE) (3)
• Maryland & Pennsylvania Railroad (MPA) (14)
• Maryland Area Regional Commuter (MARC) (3)
• Maryland Electric Railways Co. (MERC) (1)
• Maryland Midland Railway (MMID) (8)
• Mason City & Clear Lake Railway (MC&CL) (2)
• Mason City & Fort Dodge Railway (MC&FtD) (2)
• Massachusetts Bay Transportation Authority (MBTA) (125)
• Massachusetts Central Railroad (MCER) (2)
• Massachusetts Coastal Railroad (MC) (6)
• Massena Terminal Railroad (MSTR) (4)
• Mauch Chunk Switchback Railway (MCHS&S) (1)
• Maumee & Western Railroad (MAW) (2)
• McCloud River Railroad (MCR) (1)
• Meadowlake Flyer/Kiwanistrain (1)
• Memphis & Charleston Railroad (2)
• Memphis & Little Rock Railroad (M&LR) (1)
• Memphis Suspension Railway (1)
• Memphis, Clarksville & Louisville Railroad (MC&L) (1)
• Memphis, Helena & Louisiana Railway (MH&L) (3)
• Mercer & Somerset Railroad (2)
• Mercersburg Railway (MERV) (4)
• Meriden, Waterbury & Connecticut River Railroad (MW&CR) (4)
• Meridian & Bigbee Railroad (MNBR) (2)
• Meridian Southern Railway (MDS) (2)
• Metra (METX) (94)
• Metro Transit (METRO) (4)
• Metro-North Commuter Railroad (MNCW) (151)
• MetroLink (BSDA) (16)
• Metrolink (Southern California) (SCAX) (20)
• Metropolitan Street Railway Co. (Met) (6)
• Metropolitan Transit Authority of Harris County (METRO) (1)
• Metropolitan West Side Elevated Railroad (Met; MWSER) (4)
• Michigan Central Railroad (MC) (36)
• Michigan Limestone & Chemical Co. (MLC) (1)
• Michigan Northern Railway (MGN) (1)
• Michigan Railway Co. (3)
• Michigan United Railway (MUR) (7)
• Mid-Michigan Railroad (MMRR) (4)
• Middle Tennessee & Alabama Railway (MT&A) (1)
• Middlesex & Boston Street Railway (M&B) (1)
• Middletown & Hummelstown Railroad (MIDH) (1)
• Middletown & New Jersey Railroad (MNJ) (1)
• Midland Continental Railway (1)
• Midland Railway (2)
• Midland Valley Railroad (MV) (25)
• Midsouth Railroad (MSRC) (1)
• Midwest Central Railroad (MCRR) (1)
• Milford & Uxbridge Street Railway (1)
• Milford-Bennington Railroad (MBRX) (3)
• Milwaukee & Wauwatosa Motor Railway (MWMR) (1)
• Milwaukee Light, Heat & Traction Co. (MLH&T) (6)
• Milwaukee Northern Railway (MN) (6)
• Milwaukee, Benton Harbor & Columbus Railway (MBH&C) (1)
• Milwaukee, Lake Shore & Western Railway (MLS&W) (4)
• Milwaukee, Menomonee Falls & Western Railroad (MMF&W) (2)
• Milwaukee, Sparta & Northwestern Railway (MS&NW) (24)
• Mineral Range Railroad (MRAX) (2)
• Minneapolis & St. Louis Railway (M&StL; MSTL) (147)
• Minneapolis Eastern Railroad (1)
• Minneapolis Union Railway (1)
• Minneapolis, Northfield & Southern Railway (MN&S) (13)
• Minneapolis, St. Paul, & Sault Ste. Marie Railroad (SOO) (24)
• Minnesota & International Railway (M&I) (2)
• Minnesota & North Western Railroad (M&NW) (1)
• Minnesota & Ontario Bridge Company Railroad (M&OBC) (1)
• Minnesota Commercial Railway (MNNR) (4)
• Minnesota Northern Railroad (MNN) (5)
• Minnesota Prairie Line (MPLI) (4)
• Minnesota Southern Railway (MSWY) (1)
• Minnesota Transfer Railway (MTFR) (1)
• Minnesota Zephyer Ltd (MZL) (1)
• Minnesota, Dakota & Western Railway (MDW) (1)
• Mississippi & Missouri Railroad (1)
• Mississippi Central Railroad (MSCI) (3)
• Mississippi Delta Railroad (MSDR) (1)
• Mississippi Export Railroad (MSE) (1)
• Mississippi River & Bonne Terre Railway (MR&BT) (3)
• Mississippi Valley Public Service Co. (1)
• Missouri & Arkansas Railway (M&A) (2)
• Missouri & North Arkansas Railway (M&NA) (12)
• Missouri & Northern Arkansas Railroad (MNA) (40)
• Missouri Central Railroad (MOC) (8)
• Missouri Midland Railway (1)
• Missouri Pacific Railroad (MP; MoPac) (374)
• Missouri, Oklahoma & Gulf Railway (MO&G) (4)
• Missouri-Illinois Railroad (M&I) (4)
• Missouri-Kansas-Texas Railroad (MKT; Katy) (180)
• Mobile & Ohio Railroad (M&O) (12)
• Modesto & Empire Traction Co. (MET) (1)
• Mohawk, Adirondack, & Northern Railroad (MHWA) (9)
• Mojave Northern Railroad (MNRR) (1)
• Monon Railroad (MON) (26)
• Monongahela Connecting Railroad (MCRR) (2)
• Monongahela Railroad (MGA) (18)
• Monongahela Valley Traction Company (1)
• Monongahela-West Penn Public Service Co. (MWP; MWPPS) (2)
• Monorail (6)
• Montana Central Railroad (MC) (1)
• Montana Rail Link (MRL) (40)
• Montana Railroad (1)
• Montana Western Railway (MWRR) (2)
• Montana, Wyoming & Southern Railroad (MW&S) (1)
• Monticello Railway Museum (MRM) (1)
• Montour Railroad (MTR) (8)
• Montpelier & Barre Railroad (M&B) (9)
• Montpelier & Wells River Railroad (1)
• Montreal, Maine & Atlantic Railway (MMA) (31)
• Morehead & South Fork Railroad (MHSF) (1)
• Morenci Southern Railroad (8)
• Morgan's Louisiana & Texas Railroad & Steamship Co. (ML&T) (5)
• Morris & Essex Railroad (M&E) (2)
• Morris Terminal Railroad (MTR) (1)
• Morristown & Erie Railway (ME) (8)
• Mount Adams & Eden Park Incline Railway (1)
• Mount Hood Railroad (MH) (1)
• Mount Hood Railway & Power Co. (MHR&P) (1)
• Mount Lowe Railway (2)
• Mount Mansfield Electric Railway (MMER) (2)
• Mount Washington Cog Railway (1)
• Mountain Quarries Railroad (MQC) (1)
• Mt Pleasant & Broad Ford Railroad (MtP&BF) (1)
• Muscatine & Iowa City Railway (M&IC) (6)
• Muscatine Electric Railway (1)
• Muscatine Light & Traction Co. (ML&T) (1)
• Muscatine North & South Railroad (MN&S) (7)
• Muscatine Western Railway (MWRy) (1)
• Muscatine, Burlington, & Southern Railroad (MB&S) (17)
• Muscle Shoals, Birmingham & Pensacola Railway (MSB&P) (1)
• Muskingum Electric Railroad (MER) (4)

• NASA Railroad (NLAX) (1)
• NY & Atlantic Rwy (1)
• Napa Valley Railroad (NVRR) (1)
• Napoleon, Defiance & Western Railroad (ND&W) (2)
• Nash County Railroad (1)
• Nashua Street Railway (2)
• Nashua, Acton & Boston Railroad (NA&B) (3)
• Nashville & Chattanooga Railroad (1)
• Nashville & Chattanooga Railway (N&C) (1)
• Nashville & Eastern Railroad (NERR) (5)
• Nashville, Chattanooga & St. Louis Railway (NC&StL) (29)
• Nassau Electric Railroad (NER) (2)
• Natchez Railway (NTZR) (5)
• National Docks & New Jersey Junction Connecting Railway (ND&NJJCR) (3)
• National Docks Railway (NDRR) (3)
• Naugatuck Railroad (NAUG) (21)
• Nebkota Railway (NRI) (3)
• Nebraska Central Railroad (NCRC) (6)
• Nebraska, Colorado & Kansas Railway (NKCR) (1)
• Nebraska, Kansas & Colorado Railway (1)
• Nevada Northern Railway (NN) (1)
• New Albany & Louisville Electric Railway (NA&L) (2)
• New Castle & Richmond Railroad (NC&R) (4)
• New Castle Industrial Railroad (NCIR) (3)
• New England Central Railroad (NECR) (66)
• New England Southern Railroad (NEGS) (23)
• New Hampshire & Vermont Railroad (NHVT) (6)
• New Hampshire Central Railroad (NHCR) (2)
• New Hampshire Northcoast Railroad (NHN) (2)
• New Haven & Derby Railroad (NH&D) (1)
• New Haven & Northampton Railroad (NH&N) (32)
• New Haven, Middletown & Willimantic Railroad (NHM&W) (19)
• New Hope & Ivyland Railroad (NHRR) (4)
• New Hope Valley Railway (2)
• New Jersey & Hudson River Railway & Ferry Company (NJ&HR) (1)
• New Jersey & Pennsylvania Traction Co. Railroad (1)
• New Jersey Midland Railroad (1)
• New Jersey Short Line Railroad (1)
• New Jersey Transit (NJT) (146)
• New Jersey-Pennsylvania Traction Co. (NJP) (1)
• New Mexico & Arizona Railroad (NM&A) (2)
• New Mexico Rail Runner Express (NMRX) (3)
• New Orleans & Carrollton Railroad (NO&C) (2)
• New Orleans & Gulf Coast Railway (1)
• New Orleans & Northeastern Railroad (NONE) (1)
• New Orleans & Pacific Railroad (1)
• New Orleans Public Belt Railroad (NOPB) (4)
• New Orleans Public Service Incorporated (NOPSI) (3)
• New York & Atlantic Railway (NY&A) (2)
• New York & Erie Railroad (NY&E) (2)
• New York & Greenwood Lake Railroad (1996) (NYGL) (1)
• New York & Greenwood Lake Railway (1878-1943) (NYGL) (18)
• New York & Lake Erie Railroad (NYLE) (3)
• New York & Long Beach Railroad (NY&LB) (1)
• New York & Long Branch Railroad (NYLB) (11)
• New York & Manhattan Beach Railway (NY&MB) (1)
• New York & New England Railroad (NYNE) (36)
• New York & New Haven Railroad (NY&NH) (8)
• New York & Ogdensburg Railway (NYOG) (2)
• New York & Putnam Railroad (NY&P) (8)
• New York Central & Hudson River Railroad (NYC&HR) (10)
• New York Central Railroad (NYC) (810)
• New York City Metropolitan Transit Authority (MTA) (111)
• New York City Transit Authority (NYCTA) (25)
• New York Connecting Railroad (NYCN) (18)
• New York Cross Harbor Railroad (NYCH) (4)
• New York Dock Railway (NYD) (4)
• New York New Jersey Rail (NYNJ) (4)
• New York Rapid Transit Corporation (NYRT) (3)
• New York State Railways (4)
• New York, Auburn & Lansing Railroad (1)
• New York, Chicago, & St. Louis Railroad (NKP) (107)
• New York, Lake Erie & Western Railroad (NYLE&W) (4)
• New York, New Haven & Hartford Railroad (NH) (496)
• New York, Ontario, & Western Railway (OW) (27)
• New York, Philadelphia & Norfolk Railroad (NYP&N) (1)
• New York, Providence & Boston Railroad (NYP&B) (7)
• New York, Susquehanna, & Western Railway (NYSW) (39)
• New York, West Shore & Buffalo Railroad (NYWS&B) (33)
• New York, Westchester & Boston Railroad (NYWB) (6)
• Newark & Marion Railway (N&M) (2)
• Newburg & South Shore Railroad (NSR) (1)
• Newburgh, Dutchess, & Connecticut Railroad (ND&C) (4)
• Newport News Shipbuilding & Drydock Co. (NNS&DD) (1)
• Newton & Boston Street Railway (N&B) (1)
• Newton & Northwestern Railroad (N&NW) (2)
• Newtown, Langhorne & Bristol Street Railway Co. (NL&B) (1)
• Nicholas, Fayette & Greenbrier Railway (NF&G) (3)
• Niles Canyon Railway (NCRy) (5)
• Niles and New Lisbon Railroad (1)
• Nittany & Bald Eagle Railroad (NBER) (2)
• Nobles Rock Railroad (NRR) (1)
• Norfolk & Portsmouth Belt Line Railroad (NPB) (1)
• Norfolk & Western Railway (N&W) (538)
• Norfolk County Railroad (8)
• Norfolk Southern Railway (NS) (1,821)
• Norfolk Southern Railway (1942-82) (NS) (27)
• Norfolk, Franklin, & Danville Railway (NF&D) (6)
• North Carolina & Virginia Railroad (NCVA) (1)
• North Carolina Railroad (1849-1871) (1)
• North Carolina Railroad Co. (NCRR) (40)
• North Central Oklahoma Railway (NCOK) (2)
• North Central Railway Authority (NCRA) (1)
• North Coast Railroad (1)
• North Jersey Rapid Transit (NJRT) (5)
• North Missouri Railroad (1)
• North Pacific Coast Railroad (NPC) (5)
• North Pennsylvania Railroad (NPA) (2)
• North Shore Railroad (NSHR) (2)
• North Shore Railroad (California) (5)
• North Shore Scenic Railroad (NSSR) (10)
• North Stratford Railroad (NSRC) (1)
• Northeast Corridor (NEC) (155)
• Northern Central Railroad (1)
• Northern Central Railway (NCRY) (9)
• Northern Electric Railway (NER) (8)
• Northern Indiana Commuter Transportation District (NICTD) (7)
• Northern Indiana Power Co. (NIPC) (1)
• Northern Indiana Railway (NIR) (5)
• Northern Ohio Traction & Light Co. (NOT&L) (1)
• Northern Pacific Railroad (NP) (379)
• Northern Plains Railroad (6)
• Northern Texas Traction Co. (NTT) (7)
• Northstar Commuter Railroad (MNRX) (1)
• Northwest Railway Museum (NRM) (2)
• Northwestern Pacific Railroad (NWP) (51)
• Norwich & Westerly Railway (3)
• Norwich & Worcester Railroad (11)

• Oahu Railway & Land Co. (OR&L) (8)
• Oakland Terminal Railway (OTR) (1)
• Oakland, Antioch & Eastern Railway (OA&E) (7)
• Ocean Shore Railroad (OSR) (4)
• Octararo Railroad (1)
• Ohi-Rail Corp (OHIC) (1)
• Ohio & Baltimore Shortline Railway (O&BSL) (3)
• Ohio & Kentucky Railway (1)
• Ohio & Mississippi Railroad (O&M) (11)
• Ohio Central Railroad (OHCR) (19)
• Ohio Electric Railway (OE) (13)
• Ohio River Railroad (1882-1912) (1)
• Ohio Southern Railroad (OSRR) (5)
• Oil City Street Railway (OCSR) (1)
• Oil Creek & Titusville Lines (OCTL) (10)
• Oklahoma Railway (ORy) (1)
• Oklahoma, Kansas & Texas Railroad (OKT) (21)
• Old Colony Railroad (OC) (18)
• Olean, Bradford & Salamanca Traction Co. (OB&S) (2)
• Omaha & Council Bluffs Street Railway Co. (O&CB) (3)
• Omaha & Republican Valley Railway (O&RV) (2)
• Omaha Belt Line Railway (OBL) (1)
• Omaha Traction Company (OTC) (5)
• Oneida & Western Railroad (O&W) (2)
• Ontario Midland Railroad (OMID) (4)
• Orange & Alexandria Railroad (O&A) (3)
• Oregon & California Railroad (O&C) (4)
• Oregon Central & Eastern Railway (OC&E) (2)
• Oregon Coast Scenic Railroad (OCSR) (1)
• Oregon Eastern Railway (OE) (1)
• Oregon Electric Railway (OER) (8)
• Oregon Pacific Railroad (1880-94) (OP) (4)
• Oregon Railroad & Navigation Co. (OR&N) (18)
• Oregon Short Line Railroad (OSL) (31)
• Oregon Trunk Railway (OTR) (14)
• Oregon Water Power & Railway Co. (OWP&R) (3)
• Oregon, California & Eastern Railroad (OC&E) (2)
• Oregon, Pacific & Eastern Railroad (OP&E) (4)
• Oregon-Washington Railroad & Navigation Co. (OWR&N) (55)
• Osage Railroad (ORR) (1)
• Osceola & St. Croix Valley Railway (O&SCV) (3)
• Oshkosh & Omro Interurban Railway (1)
• Ottawa Street Railway (1)
• Otter Tail Valley Railroad (OTVR) (7)
• Ottumwa Railway & Light Co. (OR&L) (1)
• Ottumwa Terminal Railroad (OTT) (1)
• Ouachita Railroad (OUCH) (1)
• Owen & Northern Railroad (O&N) (1)
• Owensboro & Nashville Railroad (O&N) (1)
• Owensboro & Nashville Railway (O&N) (1)
• Owensboro & Russellville Railroad (O&R) (1)
• Owingsville & Olympia Railroad (O&O) (1)
• Owosso & Corunna Traction Co. (1)
• Ozark Valley Railway (OVR) (1)

• PATCO Speedline (PATCO) (1)
• Pacific Coast Railway (PCR) (3)
• Pacific Electric Railway (PE) (62)
• Pacific Harbor Line (PHL) (2)
• Pacific Imperial Railroad (PIR) (1)
• Pacific Northwest Traction Co. (PWNTC) (5)
• Pacific Short Line (1)
• Pacific States Lumber Company (1)
• Paducah & Illinois Railroad (P&I) (2)
• Paducah & Louisville Railway (PAL) (18)
• Palouse River & Coulee City Railroad (PCC) (7)
• Pan Am Railways (PAR) (135)
• Panhandle & Santa Fe Railway (P&SF) (3)
• Paris & Danville Railroad (P&D) (1)
• Path Valley Railroad (1)
• Pelham Park & City Island Railway (1)
• Pend Oreille Valley Railroad (POVA) (6)
• Penn Central Railroad (PC) (1,240)
• Penndel Co. (4)
• Pennsylvania & Sodus Bay Railroad (P&SB) (1)
• Pennsylvania Railroad (PRR) (837)
• Pennsylvania Tunnel & Terminal Railroad (PT&T) (1)
• Pennsylvania Union Railroad (URR) (11)
• Pennsylvania, New Jersey & New York Railroad (PNJ&NY) (1)
• Pennsylvania, New York & Long Island Railroad (PNY&LI) (1)
• Pennsylvania-Reading Seashore Lines (PRSL) (25)
• Pensacola & Mobile Railroad (1)
• Peoria & Eastern Railroad (P&E) (16)
• Peoria & Pekin Terminal Railway (P&PT) (2)
• Peoria & Pekin Union Railway (PPU) (7)
• Peoria & Rock Island Railway (P&RI) (2)
• Peoria & Western Railway (PWRY) (6)
• Peoria City Railway (PCRy) (1)
• Peoria Railway Terminal Company (PRTC) (2)
• Peoria Terminal Co. (PTC) (2)
• Peoria, Peoria Heights & Western Railroad (PPHW) (1)
• Pere Marquette Railroad (PM) (35)
• Philadelphia & Columbia Railroad (P&CRR) (3)
• Philadelphia & Reading Rail Road (1833-1896) (P&R) (9)
• Philadelphia & Reading Railroad (1)
• Philadelphia & Reading Railway (1896-1923) (P&R) (19)
• Philadelphia & Trenton Railroad (PT) (1)
• Philadelphia & West Chester Traction Co. (1)
• Philadelphia & Western Railway (P&W) (4)
• Philadelphia Suburban Transportation Co. (PST; Red Arrow Lines) (5)
• Philadelphia, Baltimore & Washington Railroad (PBW) (4)
• Philadelphia, Bethlehem & New England Railroad (PBNE) (4)
• Philadelphia, Newtown, & New York Railroad (1)
• Philadelphia, Wilmington & Baltimore Railroad (PWB) (4)
• Phoenix & Eastern Railroad (P&E) (5)
• Pickens Railway (PKHP) (1)
• Piedmont & Cumberland Railway (P&C) (1)
• Piedmont & Northern Railway (1911-1969) (PN) (4)
• Piedmont & Northern Railway (2003) (PNRW) (5)
• Pine Bluff North & South Railroad (PBN&S) (1)
• Pioneer Valley Railroad (PVRR) (12)
• Pittsburg & Shawmut Railroad (PSR) (16)
• Pittsburg, Shawmut & Northern Railroad (PSN) (9)
• Pittsburgh & Butler Street Railway (P&B) (1)
• Pittsburgh & Castle Shannon Railroad (P&CS) (5)
• Pittsburgh & Connellesville Railroad (P&C) (1)
• Pittsburgh & Lake Erie Railroad (PLE) (17)
• Pittsburgh & Ohio Central Railroad (POHC) (3)
• Pittsburgh & Steubenville Railroad (P&S) (2)
• Pittsburgh & West Virginia Railway (P&WV) (47)
• Pittsburgh & Western Railroad (5)
• Pittsburgh Industrial Railroad (PIR) (6)
• Pittsburgh Light Rail (T) (4)
• Pittsburgh Plate Glass Co. Railroad (PPG) (1)
• Pittsburgh Railways (PRCo) (11)
• Pittsburgh, Chartiers & Youghiogheny Railroad (PC&Y) (3)
• Pittsburgh, Cincinnati, Chicago, & St. Louis Railroad (PCC&StL) (53)
• Pittsburgh, Fort Wayne & Chicago Railway (PFtWC) (6)
• Pittsburgh, Harmony, Butler, & New Castle Railway (PHB&NC) (8)
• Pittsburgh, Mars & Butler Railway (PM&B) (1)
• Pittsburgh, Toledo & Western Railroad (PT&W) (3)
• Pittsburgh, Westmoreland & Somerset Railroad (PW&S) (1)
• Pittsburgh, Youngstown & Ashtabula Railroad (PY&A) (3)
• Pittsfield Electric Street Railway (PESR) (1)
• Placerville & Sacramento Valley Railroad (P&SV) (6)
• Pleasant Hill & DeSoto Railroad Co. (PH&D) (2)
• Plymouth & Lincoln Railroad (PLRR) (12)
• Plymouth Street Railway (1)
• Pocahontas, Coal River & Kanawha Railway (1)
• Ponce & Guayama Railroad (P&G) (1)
• Port Authority Trans-Hudson (PATH) (6)
• Port Authority of Allegheny County (PAT) (6)
• Port Royal Railroad (PRYL) (1)
• Port Terminal Railroad Association (PTRA) (6)
• Port Vue Traction Co. (1)
• Port of Astoria Belt Line Railroad (1)
• Port of Tillamook Bay Railroad (POTB) (13)
• Porthmouth & Concord Railroad (1)
• Portland & Ogdensburg Railroad (P&O) (36)
• Portland & Southwestern Railroad (1)
• Portland & Western Railroad (PNWR) (28)
• Portland Cable Railway (1)
• Portland City & Oregon Railway (1)
• Portland Electric Power Co. (PEPCO) (6)
• Portland General Electric (PGE) (3)
• Portland Railroad & Terminal Division of the Portland Traction Co. (PR&T) (1)
• Portland Railway, Light & Power Co. (PRL&P) (12)
• Portland Streetcar (2)
• Portland Terminal Company (PTM) (2)
• Portland Traction Co. (PTC) (2)
• Portland, Astoria, & Pacific Railroad (PA&P) (4)
• Portland, Vancouver & Yakima Railroad (PV&Y) (1)
• Portland-Lewiston Interurban (PLI) (6)
• Porto Rico Railway, Light & Power Co. (PRRL&P) (3)
• Portsmouth Street Railway & Light Co. (1)
• Portsmouth, Dover & York Street Railway (3)
• Portsmouth, Kittery & York Street Railway (PK&Y) (2)
• Potomac Edison Co. (PECO) (1)
• Potomac Public Service Co. (PPSCO) (1)
• Powell's Valley Railroad (PV) (2)
• Progressive Rail Inc (PGR) (8)
• Providence & Worcester Railroad (PW) (60)
• Providence United Electric Railway (UER) (1)
• Providence, Warren & Bristol Railroad (PW&B) (1)
• Public Service Coordinated Transport (PSTC) (2)
• Public Service Corporation of New Jersey (PCNJ) (9)
• Public Utilities Co. (PUC) (1)
• Puget Sound & Pacific Railroad (PSAP) (15)
• Puget Sound Electric Railway (PSE) (3)

• Quanah, Acme & Pacific Railway (QA&P) (2)
• Quincy, Omaha & Kansas City Railroad (QO&KC) (4)

• R.J. Corman Railroad (RJCN; RJCR; RJCC; RJCL; RJCM; RJCP; RJCK; RJNX; RJCV) (20)
• Rahway Valley Railroad (2)
• Rail-to-trail (1,472)
• Railroad Museum of New England (NAUG; RMNE) (4)
• Railroad Switching Service of Missouri (RSM) (1)
• Rainier Power & Railway Co. (RP&R) (1)
• Raleigh & Gaston Railroad (3)
• Ramsey County Regional Railroad Authority (RCRRA) (1)
• Rapid City, Pierre & Eastern Railroad (RCP&E) (47)
• Rapid Railway System (1)
• Rapid Transit (111)
• Raritan River Railroad (RRRR) (1)
• Rarus Railway (RARW) (2)
• Reading Railroad (RDG) (189)
• Reading, Blue Mountain & Northern Railroad (RBMN) (23)
• Red River Valley & Western Railroad (1)
• Red River, Texas, & Southern Railway (RRT&S) (1)
• Redmont Railroad (RRC) (3)
• Regional Transportation District (Denver) (RTD) (2)
• Rensselaer & Saratoga Railroad (R&S) (2)
• Rhode Island Central Railroad (1)
• Rhode Island Co. (1)
• Richmond & Alleghany Railroad Co. (RA) (2)
• Richmond & Chesapeake Bay Railway (R&CB) (1)
• Richmond & Danville Railroad (R&D) (4)
• Richmond & Manchester Railway (3)
• Richmond, Fredericksburg & Potomac Railroad (RFP) (8)
• Richmond, Nicholasville, Irvine & Beattyville Railroad (RNI&B) (1)
• Richmond-Henrico Railway (3)
• Rio Grande Southern Railroad (RGS) (14)
• River Terminal Railway (RT) (1)
• Riverview Street Railway Co. (1)
• Roaring Camp & Big Trees Narrow Gauge Railroad (RC&BT) (1)
• Rochester & Eastern Rapid Railway (R&E) (2)
• Rochester & Genesee Valley Railroad (R&GV) (1)
• Rochester & Southern Railroad (RSR) (5)
• Rochester & Syracuse Railroad (R&S) (3)
• Rochester Industrial & Rapid Transit Railway (RSB) (4)
• Rochester, Lockport, & Buffalo Railroad (RLB) (1)
• Rochester, Syracuse & Eastern Rapid Railroad (RS&E) (3)
• Rock & Rail LLC (1)
• Rock Creek Railway (1)
• Rock Island Southern Railway (RIS) (9)
• Rockford & Freeport Interurban Railway (R&F) (4)
• Rockford & Interurban Railway (R&I) (6)
• Rockford Public Service Co. (2)
• Rocky Mount & Western Railroad (1)
• Rome, Watertown & Ogdensburg Railroad (RW&O) (14)
• Royal Gorge Route Railroad (CRRX) (1)
• Rutland Railroad (RUT) (45)

• Sacramento Northern Railway (SN) (35)
• Sacramento Regional Transit District (SRT) (1)
• Sacramento Southern Railroad (SS) (2)
• Saginaw Valley Traction Co. (1)
• Saginaw-Bay City Railroad (S&BC) (2)
• Saginaw-Bay City Railway (1)
• Salem, Falls City & Western Railroad (SFC&W) (1)
• Salt Lake & Ogden Railway (4)
• San Antonio & Aransas Pass Railway (SA&AP) (5)
• San Antonio Zoo Railroad (SAZ) (1)
• San Antonio, Uvalde & Gulf Railroad (SAU&G) (1)
• San Diego & Arizona Eastern Railway (SDAE) (3)
• San Diego & Arizona Railway (SD&A) (2)
• San Diego & Imperial Valley Railroad (SDIV; SDIY) (2)
• San Diego Electric Railway (SDERy) (9)
• San Diego Metropolitan Transit System (MTSD) (1)
• San Francisco & Napa Valley Railroad (SF&NV) (2)
• San Francisco & Northern Pacific Railroad (SF&NP) (3)
• San Francisco Bay Railroad (SFB) (1)
• San Francisco Municipal Railway (MUNI) (7)
• San Francisco, Napa & Calistoga Railway (SFN&C) (2)
• San Joaquin & Sierra Nevada Railroad (SJ&SN) (2)
• San Joaquin Valley Railroad (SJVR) (1)
• San Luis & Rio Grande Scenic Railroad (SLRG) (2)
• San Mateo County Transit District (1)
• Sandusky River Railroad (SYRR) (2)
• Sandusky, Norwalk, & Mansfield Railway (SN&M) (1)
• Santa Cruz & Monterey Bay Railway (SC&MB) (8)
• Santa Cruz, Big Trees & Pacific Railway (SCBG) (5)
• Santa Fe & Disneyland Railroad (SF&DLRR) (2)
• Santa Fe, Prescott & Phoenix Railway (SFP&P) (6)
• Santa Rosa & Carquinez Railroad (1)
• Saratoga & North Creek Railway (SNC) (10)
• Saratoga Whitehall Railroad (1)
• Schenectady & Saratoga Railroad (S&S) (1)
• Schenectady Railway Co. (SRC) (8)
• Schuylkill & Susquehanna Railroad (SSUQ) (2)
• Scioto Valley Traction Co. (SVT) (1)
• Seaboard & Roanoke Railroad (1)
• Seaboard Air Line Railway (SAL) (109)
• Seaboard Coast Line Railroad (SCL) (187)
• Seaboard System Railroad (SBD) (103)
• Seattle & North Coast Railway (SNCT) (1)
• Seattle Electric Co. (SECo) (4)
• Seattle Traction & Elevator Co. (1)
• Seattle, Lake Shore & Eastern Railroad (SLS&E) (4)
• Seattle, Port Angeles & Western Railway (SPA&W) (1)
• Sedalia, Warsaw & Southwestern Railroad (SW&SW) (2)
• Seminole Gulf Railway (SGLR) (3)
• Semo Port Railroad (SE) (1)
• Sequatchie Valley Railroad (1867) (3)
• Sequatchie Valley Railroad (1986) (SQVR) (2)
• Shaker Heights Rapid Transit (SHRT) (3)
• Shawnee Terminal Railway (STR) (2)
• Sheffield Company (1)
• Sheffield Street Railway (1)
• Shelburne Falls & Colrain Street Railway (SF&C) (1)
• Shelbyville & Columbus Railroad (1)
• Shelton Street Railway (1)
• Shepaug, Litchfield & Northern Railroad (SLN) (3)
• Shore Line East (SLE) (7)
• Shore Line Electric Railway (SLERy) (5)
• Sierra Northern Railway (SERA) (4)
• Sierra Railway (1)
• Simpson Railroad (STC) (3)
• Sioux City & Pacific Railroad (1)
• Sioux City Elevated Railway (1)
• Sioux City Service Co. (SCS) (3)
• Sioux City Traction Co. (1)
• Skagit River Railway (SRRY) (6)
• Somerset Railroad (4)
• Sonoma-Marin Area Rail Transit (SMART) (7)
• Soo Line Railroad (SOO) (299)
• Sounder Commuter Rail (SDRX) (4)
• South & Western Railway (S&W) (18)
• South Bend & Southern Michigan Railway (SB&SM) (4)
• South Buffalo Railroad (SB) (1)
• South Carolina Central Railroad (SCRF) (5)
• South Central Florida Express (SCXF) (2)
• South Central Florida Railroad (SCFE) (2)
• South Central Tennessee Railroad (SCTR) (1)
• South Kansas & Oklahoma Railroad (SKOL) (30)
• South Mountain Railroad (1)
• South Pacific Coast Railroad (SPC) (4)
• South Pennsylvania Railroad (8)
• South Side Elevated Railroad (2)
• South Side Railway (1)
• South St. Paul Belt Railway (SStPB) (1)
• Southeast Ohio Railway & Light Co. (SEOR&L) (1)
• Southeastern Ohio Railway (SEO) (1)
• Southeastern Pennsylvania Transportation Authority (SEPTA) (67)
• Southeastern Power & Light Co. (1)
• Southern Appalachia Railway Museum (SARX) (1)
• Southern California Railway (2)
• Southern Cambria Railway (SCR) (1)
• Southern Indiana Gas & Electric Co. (SIG&E) (1)
• Southern Indiana Railroad (1897-1906) (3)
• Southern Indiana Railway (1939) (SIND) (3)
• Southern Iowa Railway (SIRy) (4)
• Southern Iowa Traction (1)
• Southern Michigan Railroad Society (SMRS) (1)
• Southern Pacific Railroad (SP) (630)
• Southern Pennsylvania Iron & Railway Co. (SPI&R) (4)
• Southern Pennsylvania Railway & Mining Co. (SPR&M) (4)
• Southern Railroad of New Jersey (SRNJ) (3)
• Southern Railway (SOU) (333)
• Southern Traction Co. (3)
• Southside Railroad (5)
• Southwest Missouri Electric Railway (SWM) (7)
• Southwest Pennsylvania Railroad (SWP) (3)
• Southwestern Portland Cement Railroad (SWPC) (1)
• Southwestern Railroad (SW) (1)
• Spartanburg Railway, Gas & Electric Co. (SRG&E) (1)
• Spokane & Inland Empire Railroad (S&IE) (4)
• Spokane International Railroad (SI) (6)
• Spokane Traction Co. (STC) (1)
• Spokane, Portland & Seattle Railway (SPS) (73)
• Spokane, Spangle & Palouse Railway (SSP) (3)
• Springfield & Northwestern Railway (4)
• Springfield Terminal Railway (ST) (156)
• Springfield, Delaware, & Mt. Vernon Railroad (SD&MtV) (1)
• Springfield, Troy, & Piqua Railway (ST&P) (1)
• St. Charles Air Line Railroad (9)
• St. Cloud Streetcar Co. (1)
• St. Croix Valley Railroad (SKCY) (2)
• St. Johnsbury & Lamoille County Railroad (StJ&LC) (26)
• St. Joseph & Savannah Interurban Railway (StJ&S) (1)
• St. Joseph Valley Railway (1889-1897) (StJVRy) (1)
• St. Joseph Valley Railway (Indiana) (StJV) (2)
• St. Joseph Valley Traction Co. (StJV) (2)
• St. Joseph, South Bend & Southern Railroad (SJSB&S) (2)
• St. Lawrence & Atlantic Railroad (SLR) (12)
• St. Louis & Alton Railway (StL&A) (6)
• St. Louis & Hannibal Railroad (StL&H) (7)
• St. Louis & Iron Mountain Railway (1869-1874) (StL&IM) (1)
• St. Louis & Meramec River Railroad (StL&MR) (1)
• St. Louis & Suburban Railway (StL&S) (1)
• St. Louis Public Service Co. (PSCO) (9)
• St. Louis Southwestern Railway (SSW) (62)
• St. Louis Water Works Railroad (StLWW) (1)
• St. Louis, Brownsville, & Mexico Railway (StLB&M, SLBM, SBM) (4)
• St. Louis, Des Moines, & Northern Railway (StLDM&N) (1)
• St. Louis, Fort Scott & Wichita Railroad (StlFS&W) (2)
• St. Louis, Iron Mountain & Southern Railway (StLIM&S) (35)
• St. Louis, Kansas City & Colorado Railway (StLKC&C) (6)
• St. Louis, Keokuk & Northwestern Railroad (StLK&NW) (3)
• St. Louis, Lawrence & Denver Railroad Co. (StLL&D) (2)
• St. Louis, Lawrence & Western Railroad Co. (StLL&W) (2)
• St. Louis, Peoria & North Western Railway (StLP&NW) (6)
• St. Louis, St. Charles & Western Railway (StLStC&W) (1)
• St. Louis-San Francisco Railway (SLSF; Frisco) (212)
• St. Maries River Railroad (STMA) (12)
• St. Paul & Duluth Railroad (StP&D) (1)
• St. Paul & Kansas City Short Line Railroad (StP&KCSL) (5)
• St. Paul Bridge & Terminal Railway (StPB&T) (1)
• St. Paul City Railway (1)
• St. Paul Southern Electric Railway (1)
• St. Paul, Minneapolis & Manitoba Railway (StPM&M) (13)
• Stark Electric Railway (3)
• State Belt Railroad (1)
• State University Railroad (SUR) (3)
• Staten Island Rapid Transit (SIR) (17)
• Stearns Coal & Lumber Co. (1)
• Steelton & Highspire Railroad (SH) (3)
• Sterling, Dixon, & Eastern Railway (SD&E) (2)
• Steubenville & East Liverpool Traction and Light (2)
• Steubenville, East Liverpool & Beaver Valley Traction Co. (SEL&BVT) (2)
• Stewartstown Railroad (3)
• Stillwater Central Railroad (SLWC) (7)
• Strasburg Railroad (SRC) (2)
• Streamor & Clinton Railway (S&C) (1)
• Streetcar (271)
• Subway (21)
• Suffolk & Carolina Railway (S&C) (2)
• Sullivan Railroad (2)
• Sumpter Valley Railroad (SRVY) (8)
• Sunbury & Lewistown Railroad (S&L) (1)
• Sunbury & Selinsgrove Electric Railway (S&SER) (2)
• Suwannee & San Pedro Railroad (1)
• Syracuse & Baldwinsville Railroad (S&B) (1)
• Syracuse & Northern Railroad (1)
• Syracuse, Geneva, & Corning Railroad (SG&C) (1)
• Syracuse, Lake Shore & Northern Railroad (SLS&N) (1)
• Syracuse, Lakeside & Baldwinsville Railway (SL&B) (1)

• TN & OH Railroad (1)
• Tacoma Eastern Railroad (TE) (1)
• Tacoma Rail (TMRW) (7)
• Tacoma Railway & Power Co. (TR&P) (2)
• Tallassee & Montgomery Railway (T&M) (1)
• Tallulah Falls Railway (TF) (1)
• Tampa & Gulf Coast Railroad (T&GC) (1)
• Tampa & Sulphur Springs Traction Co. (T&SSTC) (1)
• Tampa Electric Co. (TECO) (4)
• Tampa Southern Railroad (TAS) (3)
• Tarrant County Traction Co. (TCT) (1)
• Tazewell & Peoria Railroad (TZPR) (3)
• Tennessee Central Railway (TC) (25)
• Tennessee Coal, Iron & Railroad Co. (TCI) (13)
• Tennessee Southern Railroad (TSRR) (6)
• Tennessee Valley Railroad Museum (TVRM) (3)
• Tennessee, Alabama & Georgia Railway (TAG) (2)
• Tennken Railroad (TKEN) (1)
• Terminal Railroad Association of St. Louis (TRRA) (28)
• Terminal Railway Alabama State Docks (TASD) (2)
• Terre Haute & Indianapolis Railroad (TH&I) (2)
• Terre Haute & Peoria Railroad (TH&P) (2)
• Terre Haute & Southwestern Railroad (1)
• Terre Haute, Brazil & Eastern Railroad (TBER) (1)
• Terre Haute, Indianapolis, & Eastern Traction Co. (THI&E) (16)
• Texarkana & Ft. Smith Railway (T&FS) (1)
• Texas & New Mexico Railroad (TNMR) (1)
• Texas & New Orleans Railroad (TNO; T&NO) (38)
• Texas & Northern Railway (TN) (2)
• Texas & Pacific Railway (T&P) (38)
• Texas Central Railroad (TC) (3)
• Texas Electric Railway (TER) (13)
• Texas Interurban Railway (2)
• Texas Mexican Railway (TM) (2)
• Texas Pacifico Transportation (TXPF) (4)
• Texas Traction Co. (TTC) (3)
• Texas Transportation Co. (TXTC) (2)
• Texas Utilities Railroad (TXU) (2)
• The Milwaukee Electric Railway & Light Co. (TMER&L; TM) (25)
• The Milwaukee Electric Railway & Transport Co. (TMER&T) (23)
• Tidewater Railway (1)
• Tidewater Southern Railway (TS) (3)
• Timber Rock Railroad (TIBR) (3)
• Tioga Central Railroad (TCR) (8)
• Toledo & Chicago Interurban Railway (T&CI) (3)
• Toledo & Ohio Central Railway (T&OC) (18)
• Toledo & Western Railroad (T&W) (2)
• Toledo Bowling Green & Southern Traction Co. (TBG&S) (1)
• Toledo Terminal Railroad (TT) (5)
• Toledo, Lake Erie & Western Railway (TLE&W) (1)
• Toledo, Norwalk & Cleveland Railroad (TN&C) (3)
• Toledo, Ottawa Beach & Northern Railway (TOB&N) (1)
• Toledo, Peoria, & Western Railroad (TPW) (29)
• Toledo, Port Clinton, & Lakeside Railway (TPC&L) (4)
• Toledo, St. Louis & Western Railroad (TStL&W) (8)
• Tomahawk Railway (TR) (1)
• Tonawanda Island Railroad (TIRL) (1)
• Transkentucky Transportation Railroad (TTIS) (1)
• Trapp Mountain Railroad (1)
• Trenton-Princeton Traction Co. (1)
• Trevorton, Mahanoy & Susquehanna Railroad (TM&S) (1)
• Tri-City & Olympia Railroad (TCRY) (1)
• Tri-City Railway & Light Co. (TCR&L) (10)
• Tri-Rail (TRCX) (3)
• Trinidad Railway (TRIN) (3)
• Trinity & Brazos Valley Railway (T&BV) (1)
• Trinity Railway Express (TRE) (3)
• Troy & Greenbush Railroad (1)
• Troy & Greenfield Railroad (T&G) (2)
• Troy & Schenectady Railroad (T&S) (6)
• Troy Union Railroad (1)
• Tulsa-Sapulpa Union Railway (TSU) (1)
• Tuscola & Saginaw Bay Railway (TSBY) (2)
• Tweetsie (1)
• Twin Cities Western Railroad (TCWR) (32)
• Twin City Rapid Transit Co. (TCRT; TCL) (25)
• Twin State Railroad (TSRD) (6)

• US Military Transportation Corps (DODX; USAX; USNX; DAFX) (14)
• Ulster & Delaware Railroad (U&D) (19)
• Unadilla Valley Railway (1)
• Union County Industrial Railroad (UCIR) (1)
• Union Pacific Railroad (UP) (2,349)
• Union Springs & Northern Railway (US&N) (1)
• Union Traction Company of Indiana (UTC) (27)
• United Light & Railways (UL&R) (27)
• United New Jersey Railroad & Canal Co. (UNJ&CC) (1)
• United Railways & Electric Co. (UR&E) (2)
• United Railways (Oregon) (3)
• United Railways Company of St. Louis (UCR) (3)
• United States Military Railroad (USMRR) (1)
• Upper Merion & Plymouth Railroad (1)
• Utah Central Railway (UCRY) (2)
• Utah Idaho Central Railroad (UIC) (1)
• Utah Railway (UTAH) (5)
• Utica & Mohawk Valley Railway (U&MV) (2)

• VIA Rail (VIA) (1)
• Valley & Recreation Railroad (1)
• Valley Railroad (VALE) (1)
• Valley Railroad of Virginia (VRR) (5)
• Valley Railway (1)
• Vandalia Railroad (1905-17) (VAND) (11)
• Vandalia Railroad (1983) (VRRC) (1)
• Ventura County Railway (VCRR) (1)
• Verde Canyon Railroad (AZCR) (4)
• Vermont Railway (VTR) (25)
• Vermont Valley Railroad (VV) (3)
• Vernon, Greensburg, & Rushville Railroad (VGR) (2)
• Vernonia, South Park, & Sunset Railroad (VSP&S) (3)
• Virginia & Tennessee Railroad (5)
• Virginia & Truckee Railroad (VT; V&T) (10)
• Virginia Electric & Power Co. (VEPCO) (3)
• Virginia Railway Express (VRE) (1)
• Virginia Transit Co. (VTC) (3)
• Virginia-Carolina & Southern Railway (VC&S) (4)
• Virginia-Carolina Railway (VC) (14)
• Virginian Railway (VGN) (63)
• Visalia Electric Railroad (VE) (1)

• Wabash & Grand River Railway (WGRY) (5)
• Wabash Central Railroad (WBCR) (2)
• Wabash Railroad (WAB) (567)
• Wabash-Pittsburgh Terminal Railway (WPTR) (31)
• Waccamaw Coast Line Railroad (WCLR) (2)
• Waco, Beaumont, Trinity & Sabine Railway (WBTS) (1)
• Wahpeton-Breckenridge Street Railway (1)
• Wallkill Valley Railroad (WKVY) (5)
• Wallowa Union Railroad (WURR) (10)
• Walt Disney World Fort Wilderness Railroad (FWRR) (2)
• Walt Disney World Railroad (WDWRR) (1)
• Wapsi-Great Western Line Trail (2)
• Warren & Trumbull Railroad (WTRM) (1)
• Warren-Sheffield Street Railway (1)
• Warrior River Terminal Railroad (1)
• Warrior Southern Railway (1)
• Warwick & Oakland Beach Railroad (1)
• Washington & Great Falls Electric Railway (W&GF) (4)
• Washington & Old Dominion Railroad (W&OD) (3)
• Washington & Vandemere Railroad (W&V) (1)
• Washington County Railroad (WACR) (27)
• Washington County Railway (4)
• Washington Railway & Electric Co. (WR&E) (2)
• Washington Run Railroad (WRN) (2)
• Washington Water Power Co. Electric Railway (WWP) (1)
• Washington, Baltimore & Annapolis Electric Railway (WB&A) (7)
• Waterloo Railroad (WLO) (19)
• Waterloo, Cedar Falls, & Northern Railway (WCFN) (24)
• Watonwan Valley Railway (1)
• Waverly Short Line Railroad (3)
• Wellsville, Addison & Galeton Railroad (WAG) (3)
• West Jersey & Seashore Railroad (WJ&S) (9)
• West Penn Railways (10)
• West Shore Railroad (WSH) (23)
• West Side Lumber Co. (WSLC) (3)
• West Tennessee Railroad (WTNN) (1)
• West Texas & Lubbock Railroad (WTLC) (1)
• West Virginia Central & Pittsburg Railway (WVC&P) (5)
• West Virginia Central Railroad (WVCR) (1)
• Western & Atlantic Railroad (W&A) (1)
• Western Maryland Railway (WM) (82)
• Western Maryland Scenic Railroad (WMSR) (7)
• Western New York & Pennsylvania Railroad (WNYP) (38)
• Western New York & Pennsylvania Traction Co. (WNY&P) (2)
• Western Ohio Railway Co. (WOHRy) (1)
• Western Pacific Railroad (WP) (36)
• Western Pacific Railroad (1862-1870) (WP) (1)
• Western Pennsylvania Railroad (WPRR) (2)
• Western Railway Museum (WRM) (1)
• Western Railway of Alabama (WA) (1)
• Weyerhaeuser Wood Railroad (WTCX) (3)
• Wheeling & Lake Erie (1850-1949) (W&LE) (1)
• Wheeling & Lake Erie Railway (1990) (WLE) (75)
• Wheeling Bridge & Terminal Railway (WB&T) (5)
• White Mountain Central Railroad (WMC) (1)
• White Pass & Yukon Railroad (WP&YR) (2)
• White River Railroad (WRRR) (1)
• White River Railway (WR) (2)
• White River Valley Railroad (WRV) (1)
• Whitewater Valley Railroad (WVRR) (3)
• Wichita Falls & Northwestern Railway (WF&NW) (1)
• Wichita, Tillman & Jackson Railway (WTJR) (1)
• Wildwood & Delaware Bay Short Line Railroad (W&DSL) (1)
• Wilkes-Barre & Eastern Railroad (WB&E) (2)
• Wilkes-Barre & Hazelton Railroad (2)
• Wilkes-Barre & Wyoming Valley Traction Co. (2)
• Wilkes-Barre Connecting Railroad (WBC) (2)
• Willamette Bridge Railway (2)
• Willamette Valley Railroad (WVR) (1)
• Willamette and Pacific Railroad (WPRR) (2)
• Williamsville, Greenville & St Louis Railroad (WG&StL) (1)
• Wilmington & Philadelphia Traction Co. (W&PTC) (1)
• Wilmington & Weldon Railroad (W&W) (3)
• Wilmington & Western Railroad (W&W; WWRC) (2)
• Wilson Cypress Co. (1)
• Winamac Southern Railway (WSRY) (13)
• Winchester & Western Railroad (WW) (2)
• Winnebago Traction Co. (1)
• Winona Railway Company (WRC) (3)
• Winston-Salem Southbound Railway (WSS) (18)
• Wiregrass Central Railroad (WGCR) (1)
• Wiscasset, Waterville & Farmington Railway (1)
• Wisconsin & Calumet Railroad (WICT) (5)
• Wisconsin & Michigan Railroad (W&M) (5)
• Wisconsin & Southern Railroad (WSOR) (84)
• Wisconsin Central Ltd. (WC) (90)
• Wisconsin Central Railroad (1871-1897) (WC) (2)
• Wisconsin Central Railway (1897-1954) (WC) (12)
• Wisconsin Electric Railway (3)
• Wisconsin Great Northern Railway (1)
• Wisconsin Northern Railroad (1)
• Wisconsin Northern Railway (WN) (2)
• Wisconsin Railway Light & Power Co. (1)
• Woodstock & Sycamore Traction Co. (W&S) (2)
• Woodstock Railway (1)
• Woodward Iron Co. (3)
• Worcester Consolidated Street Railway (WCSR) (1)
• Worcester, Nashua, & Rochester Railroad (WN&P) (2)
• Wrightsville & Tennille Railroad (W&T) (1)
• Wyoming & Colorado Railroad (WYCO) (1)

• Yadkin Valley Railroad (YVRR) (11)
• Yakima Valley Trolley (YVT) (1)
• Yancey Railroad (YAN; YRR) (1)
• Yazoo & Mississippi Valley Railroad (Y&MV) (7)
• Yazoo Delta Railroad (Y&D) (1)
• Yolo Shortline Railroad (YSLR) (4)
• York Harbor & Beach Railroad (YH&B) (1)
• York Railway (YKR) (4)
• York-Hanover Trolley (3)
• Yosemite Valley Railroad (YV) (12)
• Youngstown & Ohio River Railroad (Y&OR) (5)
• Youngstown Municipal Railway (YMR) (1)
• Yukon-Valdez Railroad (1)

• Z&OO Railroad (Z&OO) (1)
• Zanesville & Western Railroad (Z&W) (1)
• Zanesville & Western Scenic Railroad (ZWSR) (1)
• Zanesville Electric Railway (ZERy) (2)