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Tunnel

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MILW - Eagle's Nest Tunnel (Gallatin County, Montana)
Tunnel on Francis Road (Formerly Milwaukee Road)
Open to private traffic only.

MILW - Fish Creek Tunnel (Jefferson County, Montana)
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned

MILW - Garrison Tunnel (Powell County, Montana)
Built 1908
Abandoned tunnel on Railroad (MILW)
Abandoned

MILW - Lacey Tunnel (Chouteau County, Montana)
Built 1913
Tunnel under Hill on Abandoned Chicago, Milwaukee St. Paul & Pacific Railway
Intact but closed to all traffic

MILW - Lawton Tunnel (Vernon County, Wisconsin)
Built 1897; Abandoned in 1938; Filled in ca. 1982
Lost Tunnel on Railroad
Filled in

MILW - Lombard Tunnel (Broadwater County, Montana)
Abandoned tunnel on Abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad
Abandoned

MILW - Nimrod Tunnel (Granite County, Montana)
Built 1908, abandoned 1980
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railway
Derelict/abandoned

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

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

MILW - Red Coulee Tunnel (Cascade County, Montana)
Built 1914
Abandoned tunnel on Former Milwaukee Road Railway
Derelict/abandoned

MILW - Small Creek Tunnel #1 (Shoshone County, Idaho)
Built 1909
Abandoned tunnel on Chicago, Milwaukee, St. Paul & Pacific Railroad
Derelict/abandoned & collapsing

MILW - Tunnel No. 2 (Meagher County, Montana)
Tunnel on Unnamed Road (Former MILW Pacific Extension)


MILW - Tunnel No. 6 (Gallatin County, Montana)
Built ca. 1908
Tunnel on 16 Mile Road (Former MILW Pacific Extension)
Open to traffic

MILW - Tunnel No. 7 (Gallatin County, Montana)
Built ca. 1908
Tunnel on 16 Mile Road (Former MILW Pacific Extension)
Open to traffic

MILW - Tunnel No. 8 (Gallatin County, Montana)
Built ca. 1908
Tunnel on 16 Mile Road (Former MILW Pacific Extension)
Open to traffic

Milwaukee Road Boyslton Tunnel (Kittitas County, Washington)
Tunnel on Abandoned Milwaukee Road
Open to pedestrians only

Minnehaha Tunnel (Hennepin County, Minnesota)
Built 1999
Tunnel under MN 55 on Minnehaha Parkway
Open to traffic

Mitchell Point Tunnel (Hood River County, Oregon)
Built 1915 back filled 1954 blasted away 1966
Lost Tunnel under tunnels though Mitchell point on Former route US 30
Demolished

MNA - Cotter Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the MNA Railroad (formerly Missouri Pacific) just northwest of Cotter
Open to railroad traffic

MNA - Crest Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) Railway northwest of Omaha
Open to railroad traffic

MNA - Cricket Tunnel (Boone County, Arkansas)
Built 1903-05
Tunnel on the Missouri and Northern Arkansas (formerly Missouri Pacific) just south of Omaha
Open to railroad traffic

MNA - Pyatt Tunnel (Marion County, Arkansas)
Built 1903-04
Tunnel on the Missouri and Northern Arkansas Railroad (formerly Missouri Pacific) southeast of Pyatt
Open to railroad traffic

MNA - Reeds Spring Tunnel (Stone County, Missouri)
Tunnel on the MNA Railroad just southeast of Reeds Spring
Open to railroad traffic

MNCW - Bear Mountain Bridge Tunnel (Westchester County, New York)
Tunnel under hillside and Bear Mt Bridge on Metro North Railroad
Open to traffic

MNCW - Breakneck Ridge Tunnels (Dutchess County, New York)
Tunnel under Breakneck Ridge on Metro-North Commuter Railroad
Open to traffic

MNCW - Garrison Tunnel (Putnam County, New York)
Tunnel on Metro-North Hudson Line West Track
Open to traffic

MNCW - Oscawana Tunnel (Westchester County, New York)
Tunnel on Metro-North Commuter Railroad
Open to traffic

MNCW - Otisville Tunnel (Orange County, New York)
Built 1908 by Erie Railroad
Tunnel on Metro-North Railroad
Open to traffic

Monitor-Merrimac Memorial Bridge-Tunnel (Suffolk, Virginia)
Built 1992
Tunnel under Hampton Roads on I-664
Open to traffic

Montgomery Bell Tunnel (Cheatham County, Tennessee)
Built 1819
Tunnel under hillside on Tributary of the Harpeth River


Montour Trail - Greer Tunnel (Allegheny County, Pennsylvania)
Tunnel under hill and Hidden Valley Road on Mountour Trail -frmr Montour RR
Open to pedestrians only

Montour Trail - National Tunnel (Allegheny County, Pennsylvania)
Tunnel under hill and Klinger road on Montour Trail - frmr Montour RR
Open to pedestrians only

Moonville Rail Trail - Kings Hollow Tunnel (Athens County, Ohio)
Built 1855
Abandoned tunnel on former CSX(B&O) line
Derelict/abandoned

Moonville Rail Trail - Moonville Tunnel (Vinton County, Ohio)
Built 1857 and abandoned in 1989
Abandoned tunnel with approach that crosses Raccoon Creek on CSX line between Cumberland, Maryland and Cincinnati
Abandoned, but used by pedestrians

Moreau Tunnel (Cole County, Missouri)
Abandoned 1923
Abandoned tunnel on Missouri Pacific Railroad
Derelict/abandoned

Morenci Southern - Tunnel #1 (Greenlee County, Arizona)
Built 1902; Abandoned 1922
Abandoned tunnel on Morenci Southern Railroad
Derelict/abandoned

Morenci Southern - Tunnel #2 (Greenlee County, Arizona)
Built 1902; Abandoned 1922
Abandoned tunnel on Morenci Southern Railroad
Derelict/abandoned

Morenci Southern - Tunnel #3 (Greenlee County, Arizona)
Built 1902; Abandoned 1922
Abandoned tunnel on Morenci Southern Railroad
Derelict/abandoned

Morton-State Line Ridge Tunnel (Sevier County, Tennessee)
Built as one of 3 masonry-faced tunnels, along with bridges, on the New Found Gap Road
Tunnel under spur of State Line Ridge on U.S. 441 New Found Gap Road (formerly Indian Gap Highway), Great Smoky Mountains National Park, Tennessee
Open to traffic

Mosier Twin Tunnels (Wasco County, Oregon)
Built 1920, Closed due to rock fall problems 1953, Reopened to public in 2000
Tunnel under Mosier Tunnel on Historical Columbia River Highway Trail
Open to pedestrians

Mount Baldy Tunnel #2 (Los Angeles County, California)
Built 1954
Tunnel under hillside on Mount Baldy Road
Open to traffic

MP - East Barretts Tunnel (St. Louis County, Missouri)
Built 1851-1853; Abandoned 1944
Lost Tunnel on Missouri Pacific Railroad
Tunnel demolished in 2000's

MP - Glenallen Tunnel (Bollinger County, Missouri)
Completed August 14, 1869; Final train through in April 1973; Abandoned 1974
Abandoned railroad tunnel north of Glenallen on the Belmont Branch, Missouri Pacific
Abandoned and inaccessible on private land

MP - Vineland Tunnel (Jefferson County, Missouri)
Tunnel completed ca. 1858; tunnel removed by "daylighting" in the 1940s
Lost tunnel under a ridge on the former Missouri Pacific Railroad
Tunnel converted into rock cut

MP - West Barretts Tunnel (St. Louis County, Missouri)
Built between 1851-53 by the Pacific (later MO Pacific) Railroad for a single broad gauge track; Gauge standardized in 1869. Tunnel remained in service until congestion caused the railroad to bypass the tracks via a cut 100' to the south in 1944.
Tunnel under a hill in Kirkwood, MO on former Missouri Pacific Railroad
Abandoned

MPA - Sisson Street Tunnel (Baltimore, Maryland)
Lost Tunnel under Maryland & Pennsylvania RR on Sisson Street
Removed but not replaced

MRL - Bonita Tunnel (Missoula County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - Bozeman Tunnel (Gallatin County, Montana)
Built 1945 to replace earlier 1884 tunnel
Tunnel under Bozeman Pass on Montana Rail Link
Open to traffic

MRL - Garrison Tunnel (Powell County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

MRL - John Tunnel (Sanders County, Montana)
Tunnel under hillside on Montana Rail Link
Open to traffic

MRL - Mullan Tunnel (Lewis and Clark County, Montana)
Built 1883, enlarged and shortened 2009-10
Bridge over Mullan Pass/Continental Divide on Montana Rail Link
Open to traffic

MRL - Nimrod Tunnel (Granite County, Montana)
Built 1882, widened 1909
Tunnel on Montana Rail Link
Open to traffic

Mueller Tunnel (Los Angeles County, California)
Built 1942
Tunnel under hillside on Mount Lowe Road
Open to pedestrians only

Mule Pass Tunnel (Cochise County, Arizona)
Built 1958
Tunnel on SR 80
Open to traffic

N&W - Hollins Mill Tunnel (Lynchburg, Virginia)
Built ca1850-rough cut tunnel; abandoned 1982
Tunnel under Hillside on James River Heritage Trail
Open to pedestrians only

N. Airport Drive Tunnel (Erie County, New York)
Tunnel under Buffalo Niagara International Airport runway on N. Airport Drive
Open to authorized vehicles only

Nada Tunnel (Powell County, Kentucky)
Was constructed to haul logs via narrow gauge railroad from timber operations in the Gorge. Construction began in December 1910 and was completed in September 1911. Rock and dirt were removed by dynamite, steam drills and hand tools
Tunnel on KY 77
Open to traffic

National Road Bikeway - Tunnel (Belmont County, Ohio)
Built 1902, Rehabbed 1949 and 2009
Tunnel under US 40 on National Road Bikeway (formerly B&O RR)
Open to traffic

NECR - Bellows Falls Tunnel (Windham County, Vermont)
Built 1851; Floor lowered 1897, 1977, & 2007
Tunnel under Bridge St on New England Central Railroad
Open to traffic

NECR - Burlington Tunnel (Chittenden County, Vermont)
Built 1860-1861, shotcrete lining applied 2008
Tunnel under North Avenue on New England Central Railroad
Open to traffic

NECR - Norwich Tunnel (New London County, Connecticut)
Tunnel under Sherman Street on New England Central Railroad in Norwich
Open to traffic

Needle's Eye Tunnel (Boulder County, Colorado)
Built 1903-1905; Bypassed 1928; Abandoned 1935; Reopened as a road 1955-1979 and 1988-1990.
Tunnel on Abandoned Moffat Road
Closed to all traffic

Needles Eye Tunnel (Custer County, South Dakota)
Tunnel on SD 87
Open to traffic

Negro Mountain Tunnel (Somerset County, Pennsylvania)
Tunnel for Railroad Grade (never used)
Intact but closed to all traffic

Newcastle Tunnel (Placer County, California)
This US Highway 40 tunnel opened in 1932 bypassing the bottleneck in the community of Newcastle.
Former Hwy 40 Tunnel under Under hillside and UP Railroad on Taylor Rd
Open to traffic

Newhall Tunnel (Los Angeles County, California)
1910
Abandoned tunnel on Sierra Highway
Abandoned; daylighted in 1938

NH - Hawleyville Tunnel #1 (Fairfield County, Connecticut)
Built 1840; abandoned 1911
Abandoned tunnel under Parmalee Hill Road on Housatonic Railroad (old alignment)
Derelict/abandoned

NH - Hawleyville Tunnel #2 (Fairfield County, Connecticut)
Built ca. 1881; concrete-lined 1911; abandoned 1948
Abandoned tunnel under Parmalee Hill Road on New Haven Railroad
Derelict/abandoned

NH - Steep Rock Tunnel (Litchfield County, Connecticut)
Built 1871, abandoned 1948
Tunnel on Shepaug, Litchfield & Northern Railroad (abandoned) in Roxbury
Open to pedestrians only

NJTR - North Bergen Tunnel (Hudson County, New Jersey)
Built 1873-1877
Tunnel under Bergen Hill on Delaware, Lackawanna & Western Railroad
Open to traffic

NJTR - South Bergen Tunnel (Hudson County, New Jersey)
Built 1908-1911
Tunnel under Bergen Hill on New Jersey Transit
Open to traffic

NJTR - Weehawken Tunnel (Hudson County, New Jersey)
Built by NYWS&B Railroad
Tunnel under Palisades Ridge on NJT Hudson-Bergen Light Rail (formerly Conrail, Penn Central, New York Central, NYWS&B)


No Name Tunnel (Garfield County, Colorado)
Built 1965
Pair of tunnels on I-70 at Horseshoe Curve east of Glenwood Springs
Open to traffic

North Bend Rail Trail - Bonds Creek Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Brandy Gap Tunnel (Harrison County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Butcher's Tunnel (Ritchie County, West Virginia)
Bored in 1857, daylighted in 1963.
Lost Tunnel for the Parkersburg Branch of the B&O Railroad. Cut is located on North Bend Rail Trail.
Daylighted and replaced by a cut

North Bend Rail Trail - Central Station Tunnel (Doddridge County, West Virginia)
Tunnel over North Bend Rail Trail


North Bend Rail Trail - Dick Bias Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Eaton Tunnel (Wood County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Long Run Tunnel (Doddridge County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Silver Run Tunnel (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail on County Road 15/7
Open to pedestrians only

North Bend Rail Trail - Tunnel # 3 (Doddridge County, West Virginia)
Bypassed in 1963
Abandoned tunnel over Abandoned Railroad
Derelict/abandoned

North Bend Rail Trail - Tunnel #11 (Ritchie County, West Virginia)
Built 1857
Lost Tunnel for the Parkersburg Branch of the B&O Railroad. Cut is located on the North Bend Rail Trail.
Daylighted and replaced by a cut

North Bend Rail Trail - Tunnel #12 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Tunnel #14 (Ritchie County, West Virginia)
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #15 (Ritchie County, West Virginia)
Bored in 1857 and daylighted in 1963.
Daylighted Tunnel for the Parkersburg Branch of the B&O Railroad
Daylighted and replaced by a cut

North Bend Rail Trail - Tunnel #16 (Ritchie County, West Virginia)
Bored 1857 and daylighted 1963
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #17 (Ritchie County, West Virginia)
Bored 1857 and bypassed in 1963
Abandoned tunnel
Derelict/abandoned after being bypassed by a cut

North Bend Rail Trail - Tunnel #18 (Ritchie County, West Virginia)
Bored 1857 and daylighted 1963.
Daylighted Tunnel for B&O Railroad
Demolished

North Bend Rail Trail - Tunnel #20 (Ritchie County, West Virginia)
Bored 1857 and daylighted in 1963
Lost Tunnel for the Parkersburg Branch of the B&O Railroad. Cut is located on North Bend Rail Trail.
Daylighted and replaced by a cut

North Bend Rail Trail - Tunnel #22 (Wood County, West Virginia)
Bored 1857 and bypassed by a cut in 1963
Abandoned tunnel
Derelict/abandoned

North Bend Rail Trail - Tunnel #23 (Wood County, West Virginia)
Lost Tunnel for the Parkersburg Branch of the North Bend Rail Trail. Cut is located on North Bend Rail Trail.
Daylighed and replaced by a cut

North Bend Rail Trail - Tunnel #7 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

North Bend Rail Trail - Tunnel #8 (Ritchie County, West Virginia)
Tunnel over North Bend Rail Trail
Open to pedestrians only

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

NP - Bozeman Tunnel (Gallatin County, Montana)
Built 1884, abandoned 1945
Abandoned tunnel under Bozeman Pass on Northern Pacific Railroad
Derelict/abandoned

NP - Iron Ridge Tunnel (Lewis and Clark County, Montana)
Lost Tunnel on Northern Pacific Railroad
Bypassed and collapsed

NS - Allegheny Tunnel (Blair County, Pennsylvania)
Constructed 1851-854, Reconstructed in 1941, Adapted for COFC trains in 1994-1995
Tunnel under Allegheny Mountains on Norfolk Southern Railway (formerly PRR)
Open to traffic

NS - Beartown Fork Tunnel (Wyoming County, West Virginia)
Tunnel for Norfolk Southern Railroad, Princeton-Deepwater Subdivision
Open to traffic

NS - Belden Tunnel (Broome County, New York)
Built 1869; Rebuilt 1986
Tunnel under Belden Hil and Walling Road on D&H/NS Railroad


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