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Tunnel

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INRD - Cold Springs Road Overpass (Greene County, Indiana)
Tunnel under Indiana Rail Road on Cold Springs Road
Open to traffic

INRD - Unionville Tunnel (Monroe County, Indiana)
Built 1903
Tunnel under N. Tunnel Road on Indiana Rail Road
Open to traffic

Iron Goat Trail - Embro Tunnel (King County, Washington)
Built 1916
Tunnel
Intact but closed to all traffic

Iron Goat Trail - Tunnel #14 (King County, Washington)
Built 1892
Tunnel
Intact but closed to all traffic

Iron Goat Trail - Twin Tunnels (King County, Washington)
Built 1916
Tunnel
Intact but closed to all traffic

Iron Goat Trail - Windy Point Tunnel (King County, Washington)
Built 1914
Tunnel
Intact but closed to all traffic

Iron Mountain Road Tunnel (US 16A) (Pennington County, South Dakota)
Tunnel on US 16A (Iron Mountain Road)
Open to traffic

Iron Mountain Road Tunnel (US 16A) #2 (Pennington County, South Dakota)
Tunnel on Iron Mountain Road (US 16A)


Iron Mountain Road Tunnel (US 16A) #3 (Pennington County, South Dakota)
Tunnel on Iron Mountain Road (US 16A)


J&F - Oil City Tunnel (Venango County, Pennsylvania)
Built 1870
Abandoned tunnel
Derelict/abandoned

John Fitch Way Tunnel (Mercer County, New Jersey)
Tunnel on John Fitch Way
Open to traffic

John H Wilson Tunnel (Honolulu County, Hawaii)
Built 1959
Tunnel on Likelike Hwy
Open to traffic

John H Wilson Tunnel 1 (Honolulu County, Hawaii)
Built 1958
Tunnel on Likelike Hwy
Open to traffic

John H. Bankhead Tunnel (Mobile County, Alabama)
Built 1940
Single two-lane tunnel under Mobile River on US 98 (old U.S. 90) in Mobile
Open to traffic

Johnson Tunnel (Summit County, Colorado)
Constructed started Aug. 18, 1975; tunnel completed on Dec. 21, 1979
Tunnel on I-70 Eastbound at Loveland Pass
Open to traffic

Kanan Dume Road Tunnel T-1 (Los Angeles County, California)
Tunnel under hillside on Kanan Dume Road
Open to traffic

Kanan Dume Road Tunnel T-2 (Los Angeles County, California)
NB tunnel built 1968; SB tunnel built 1983
Tunnel under hillside on Kanan Dume Road
Open to traffic

Kanan Dume Road Tunnel T-3 (Los Angeles County, California)
NB tunnel built 1968; SB tunnel built 1978
Tunnel under hillside on Kanan Dume Road
Open to traffic

Katy Trail - Rocheport Tunnel (Howard County, Missouri)
Built 1893
Railroad tunnel under Moniteau Bluff on the Katy Trail just west of Rocheport
Open to pedestrians and bicyclists only

KCS - Jenson Tunnel (Le Flore County, Oklahoma)
Built 1886
Tunnel under Backbone Mountain on KCS Railway
Open to traffic

Keller Tunnel (Jersey County, Illinois)
Built 1881 for Wabash Railroad. Filled in after line was abandoned.
Lost Tunnel on defunct Wabash Railroad in Elsah
Lost

Keystone Canyon Tunnel (Valdez-Cordova Census Area, Alaska)
Construction was started in the early 1900s for the Yukon-Valdez Railroad; halted after the railroad project was abandoned
Abandoned tunnel on Valdez-Yukon Railroad
Never completed

Kittatinny Mountain Tunnel (Franklin County, Pennsylvania)
Begun c.1885 by S. Penn. RR; first tube completed 1940 by Penna. Tpk. Comm; second tube completed 1968.
Tunnel on Pennsylvania Turnpike/I-76
Open to traffic

Klamath Tour Thru Tree (Del Norte County, California)
Tunnel on Private Drive
Open to traffic

Knapps Hill Tunnel (Chelan County, Washington)
Built 1936
Tunnel under Knapps Hill on Alt US 97
Open to traffic

Koolau Range Bridge (Honolulu County, Hawaii)
Built 1994
Tunnel under Koolau Range on Fai-H3, Tunnel
Open to traffic

L&WV - Crown Avenue Tunnel (Lackawanna County, Pennsylvania)
Built 1904; rehabilitated for Electric City Trolley Museum.
Tunnel under city streets on L&WV RR (Laurel Line)
Open to traffic

LACM - San Fernando Tunnel (Los Angeles County, California)
Work started March 22, 1875, opened August 12, 1876.
Tunnel under Freemont Pass/San Fernando Pass on Union Pacific Railroad/Metrolink
Open to traffic

Lafayette Bluff Tunnel (Lake County, Minnesota)
Built 1991
Tunnel
Open to traffic

Lake Keechelus Snowshed Tunnel (Kittitas County, Washington)
Built 1950; demolished April 2014
Lost tunnel under Lake Keechelus Snowshed on I-90
Removed but not replaced

Lakeview Drive Tunnel (Swain County, North Carolina)
Built during 1963-1970 as part of the planned "North Shore Road", never used due to Anakeesta rock being unearthed, dooming the project.
Tunnel on Lakewood Drive
Open to pedestrians only

Landis Ridge Tunnel (Bucks County, Pennsylvania)
Built 1853-1857; Alterations 1911
Tunnel under Landis Ridge on Railroad
Open to traffic

Laurel Hill Tunnel (Westmoreland County, Pennsylvania)
Begun c.1885 by S. Pennsylvania RR; completed 1940 by Penna. Tpk. Comm.; bypassed and abandoned in 1964
Tunnel on Abandoned alignment of Pennsylvania Turnpike
Currently used to test racecar aerodynamics by Chip Ganassi Racing. Closed to the public.

LAX Taxiway C Tunnel (Los Angeles County, California)
Built 1952, Lengthened 2002
Tunnel under Sepulveda Boulevard on Los Angeles International Airport Taxiway C
Open to aircraft above and cars below

Layton Tunnel (Fayette County, Pennsylvania)
This section of Layton Road was originally the Washington Run Railroad, abandoned in 1931
Tunnel on Layton Road
Open to traffic

Lebanon Valley Rail Trail - Cornwall Tunnel (Lebanon County, Pennsylvania)
Built in 1860 CA for Cornwall-Lebanon Railroad; Rehabbed in 2010
Bridge over Burd Coleman Road on Former C&L; Currently Lebanon Valley Rail Trail
Open to traffic

Lehigh Tunnel (Carbon County, Pennsylvania)
Northbound tunnel built 1957; southbound tunnel built 1991
Tunnel under Blue Mountain on I-476 (Pennsylvania Turnpike Northeast Extension)
Open to traffic

LI - Atlantic Avenue Tunnel (Kings County, New York)
Built 1844, closed 1861
Tunnel on abandoned Long Island Railroad crosses Atlantic Avenue
Intact but closed to all traffic

LI - Atlantic Branch Tunnel (East) (Kings County, New York)
Built 1942
Tunnel under Atlantic Avenue on Long Island Railroad Atlantic Branch
Open to traffic

LI - Atlantic Branch Tunnel (West) (Kings County, New York)
Built 1905
Tunnel under Atlantic Avenue on Long Island Railroad Atlantic Branch
Open to traffic

LI - East New York Freight Tunnel (Kings County, New York)
Built 1918
Tunnel under City Streets on Long Island Railroad Bay Ridge Branch
Open to traffic

Liberty Tunnel (Allegheny County, Pennsylvania)
Built 1924
Tunnel on West Liberty Avenue
Open to traffic

Lickstone Ridge Tunnel (Jackson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Liddell Creek Tunnel (Santa Cruz County, California)
Tunnel carrying Liddell Creek under CA 1 & Union Pacific Railroad
Open to traffic

Lincoln Tunnel (Hudson County, New Jersey)
Center tube opened 1937, north tube opened 1945, south tube opened 1957.
Tunnel under Hudson River on NJ-495/NY-495/former I-495
Open to traffic

Lindbergh Tunnel (St. Louis County, Missouri)
Built in 2006
Tunnel on North Lindbergh Boulevard/US-67 under the west runway at Lambert - St. Louis International Airport
Open to traffic

Little Pisgah Ridge Tunnel (Henderson County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Little Switzerland Tunnel (Mitchell County, North Carolina)
Built ca. 1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

LittleTunnel (Claiborne County, Tennessee)
Built in 1888 as railroad tunnel, connecting Cumberland Gap Tunnel to L & N Railroad line going into Virginia, converted to a walking tunnel
Former Louisville & Nashville railroad tunnel under Poor Valley Ridge at Cumberland Gap
Open to pedestrians

LN - Bigger Tunnel (Sumner County, Tennessee)
Abandoned tunnel on Louisville & Nashville Railroad
Abandoned

LN - Callahan's Nose Tunnel (Wise County, Virginia)
Line abandoned c1986
Tunnel under hillside on L&N RR (abandoned)
Intact but closed to all traffic

LN - Flat Top Mine Tunnel (Jefferson County, Alabama)
Built c. 1910s
Abandoned tunnel on L&N RR
Abandoned

LN - KY-699 Tunnel (Perry County, Kentucky)
Tunnel under L&N RR (abandoned) on KY 699
Open to traffic

LN - Littlest Tunnel (Sumner County, Tennessee)
Built 1886 (Reportedly), Abandoned 1976, Rehabbed in 2007
Abandoned bridge over Former Louisville & Nashville Railroad on Tunnel Road
Abandoned

LN - Natural Bridge Tunnel (Powell County, Kentucky)
Line abandoned in 1942
Abandoned tunnel under hillside on Kentucky Union RR (abandoned)
Derelict/abandoned

LN - Spainhower Tunnel (Garrard County, Kentucky)
Built 1868 for L&N Railroad
Tunnel under Doty Lane on Old L&N Railroad
Closed to all traffic

LN - Spurlington Tunnel (Taylor County, Kentucky)
Built 1874
Abandoned tunnel under hillside on Louisville & Nashville RR (abandoned)
Derelict/abandoned

LN - Torrent Tunnel (Wolfe County, Kentucky)
Line abandoned in 1942
Abandoned tunnel under hillside on Kentucky Union RR (abandoned)
Derelict/abandoned

LN - Tumlin Gap Tunnel (Etowah County, Alabama)
Built c.1903, abandoned a few decades ago
Tunnel
Abandoned

LN - Tunnel (Monroe County, Alabama)
Built sometime after 1900
Abandoned tunnel on Louisville and Nashvile
Derelict/abandoned

LN - Whiteside Tunnel (Hamilton County, Tennessee)
Was built in 1858 by the Nashville & Chattanooga Railway. It was bypassed by a double track cut to the south of it in 1911.
Abandoned tunnel near Whiteside, TN on Raccoon Mountain on former alignment of the Nashville & Chattanooga Railway, later NC&StL, L&N, and CSX
Abandoned

Lodgeville Tunnel (Harrison County, West Virginia)
Tunnel over CSX Railroad
Open to traffic

Lowline Park (Proposed) (New York County, New York)
Built 1908; Abandoned since 1948
Abandoned tunnel on Formerly Brooklyn-Manhattan Transit Corporation
Abandoned

Lowry Hill Tunnel (Hennepin County, Minnesota)
Built 1971
Tunnel on Interstate 94
Open to traffic

LV - Musconetcong Tunnel (Old) (Hunterdon County, New Jersey)
Built 1875
Abandoned tunnel under Musconetcong Mountain on Lehigh Valley RR
Derelict/abandoned

LVTX - Cramer Tunnel (Lake County, Minnesota)
Abandoned tunnel on Cliffs Erie Railroad
Abandoned

Maalo Road Viaduct (Kauai County, Hawaii)
Tunnel under Maalo Road on unknown road
Open to traffic

Malibu Canyon Road Tunnel (Los Angeles County, California)
Tunnel under Hillside on Malibu Canyon Road
Open to traffic

MAX Blue/Red Lines - Robertson Tunnel (Multnomah County, Oregon)
Built 1998
Tunnel under the West Hills (Tualatin Mountains) on MAX Light Rail Blue Line & Red Line
Open to traffic

MBTA - East Boston Tunnel (Suffolk County, Massachusetts)
Built 1904
Tunnel under Boston Harbor on MBTA Blue Line
Open to traffic

MBTA - Washington St Tunnel - Salem (Essex County, Massachusetts)
built in 1839; extended in 1948-58
Tunnel under downtown Salem- Washington St on MBTA frmr B&M RR
Open to traffic

MC Trail - Meredith Tunnel (Marion County, West Virginia)
Tunnel for Marion County (MC) Rail Trail under Speedway Avenue/Hoult Road/Suncrest Blvd
Open to pedestrians only

McCallie Tunnels (Hamilton County, Tennessee)
First tunnel built 1913, signed as U.S. 11 (1926), signed as U.S. 64 (1931). Second tunnel built 1950
Tunnels under Missionary Ridge on U.S. 11 & 64
Open to traffic

Meadow River Rail Trail - Carnifex Tunnel (Fayette County, West Virginia)
Built 1929; Abandoned 1997; Ad-hoc trail.
Tunnel on Meadow River Rail Trail
Closed due to structural concerns

Meadow River Rail Trail - Koontz Tunnel (Fayette County, West Virginia)
Built 1929
Tunnel on Meadow River Rail Trail
Open to pedestrians only

Memorial Tunnel (Kanawha County, West Virginia)
Built in 1954 and closed to vehicular traffic in 1987, it is now utilized by the Center For National Response as an anti-terrorism training facility
Tunnel on Old I-64 Old I-77
Intact but closed to all traffic

MGA - Brownsville Tunnel (Fayette County, Pennsylvania)
Built 1904
Tunnel under PA 4003 on Monongahela Railroad
Filled in

MGA - Simpson Tunnel (Fayette County, Pennsylvania)
Built 1904; Abandoned ca. 1976; Filled in ?
Lost Tunnel on Monongahela Railroad
Filled in

Mickelson Trail - Tunnel #1 (Pennington County, South Dakota)
Built 1890
Tunnel under Hill on Mickelson Trail
Open to pedestrians only

Mickelson Trail - Tunnel #2 (Pennington County, South Dakota)
Built 1890
Tunnel under Hill on Mickelson Trail
Open to pedestrians only

Mickelson Trail - Tunnel #3 (Pennington County, South Dakota)
Built 1890
Tunnel under Hill on Mickelson Trail
Open to pedestrians only

Mickelson Trail - Tunnel #4 (Pennington County, South Dakota)
Built 1890
Tunnel under Hill on Mickelson Trail
Open to pedestrians only

Mickelson Trail - Tunnel #4 (Pennington County, South Dakota)
Built 1890
Tunnel under hillside on Mickelson Trail
Open to pedestrians only

Middle Matilija Tunnel (Ventura County, California)
Built 1931
Middle Matilija Tunnel on State Route 33
Open to traffic

Middle Tunnel (Oconee County, South Carolina)
Built 1953
Abandoned tunnel
Derelict/abandoned - Majority of tunnel was filled in in the early 1900s

Midland Tunnel No. 1 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
First of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 2 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Second of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 3 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Third of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 4 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Fourth of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midtown Tunnel (Portsmouth, Virginia)
Built 1962
Tunnel under Elizabeth River on US-58
Open to traffic

Mill Street Tunnel (Pendleton County, Kentucky)
Tunnel under CSX rail line in Butler
Open to traffic

MILW - Amphitheatre Tunnel (Chouteau County, Montana)
Built 1913
Abandoned tunnel on former Milwaukee Road Railway
Derelict/abandoned and partially collapsed

MILW - Arrow Creek Tunnel (Judith Basin County, Montana)
Built 1913; Daylighted 1961
Lost Tunnel under Hill on Chicago, Milwaukee St. Paul & Pacific Railway
Removed but not replaced

MILW - Beavertail Tunnel (Missoula County, Montana)
Built 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Belt Creek Tunnel (Chouteau County, Montana)
Built 1913
Abandoned tunnel on former Milwaukee Road Railway
Derelict/abandoned

MILW - Blacktail Tunnel #1 (Silver Bow County, Montana)
Built 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Blacktail Tunnel #2 (Silver Bow County, Montana)
Built 1908
Abandoned tunnel on Railroad (MILW)
Abandoned

MILW - Bonner Tunnel (Missoula County, Montana)
Built 1909
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned

MILW - Canyon Tunnel (Gallatin County, Montana)
Tunnel on Francis Road (Chicago, Milwaukee, St. Paul & Pacific Railroad)
Open to traffic

MILW - Cyr Tunnel (Mineral County, Montana)
Built ca. 1908
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned