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Tunnel

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PSR - Coulter Tunnel (Jefferson County, Pennsylvania)
Abandoned tunnel under hillside on Pittsburg & Shawmut RR
Derelict/abandoned

PSR - Knoxdale Tunnel (Jefferson County, Pennsylvania)
Abandoned tunnel under hillside on Pittsburg & Shawmut RR
Derelict/abandoned

PSR - Mahoning Tunnel (Armstrong County, Pennsylvania)
Abandoned tunnel under hillside on Pittsburgh & Shawmut RR
Derelict/abandoned

PSR - Mauk Tunnel (Jefferson County, Pennsylvania)
Abandoned tunnel under hillside on Pittsburgh & Shawmut RR
Derelict/abandoned

Ptarmigan Tunnel (Glacier County, Montana)
Built 1930
Tunnel under Ptarmigan Wall on Hiking Trail
Open to pedestrians only

PW - East Side Railroad Tunnel (Providence County, Rhode Island)
Built 1909
Abandoned tunnel under College Hill on P&W East Providence Branch (abandoned)
Derelict/abandoned since 1981

PW - Laurel Hill Tunnel (New London County, Connecticut)
Built 1875 by the Norwich & Worcester Railroad
Tunnel under Laurel Hill/CT 2 on Providence & Worcester Railroad in Norwich
Open to traffic

PW - Taft Tunnel (New London County, Connecticut)
Built 1837
Tunnel on P&W Norwich Branch in Lisbon
Open to traffic

Queen Creek Tunnel (Pinal County, Arizona)
Built 1952
Tunnel on US 60 in Queen Creek Canyon
Open to traffic

Queens-Midtown Tunnel (New York County, New York)
Built 1940
Tunnel under East River on Interstate 495
Open to traffic

Quemahoning Tunnel (Somerset County, Pennsylvania)
Tunnel for Pittsburgh, Westmoreland & Somerset Railroad
Intact but closed to all traffic

Railroad Tunnel Trail Tunnels (Clark County, Nevada)
Line abandoned in 1962
Five tunnels under hillside on Railroad Tunnel Trail- frmr Union Pacific RR
Open to pedestrians only

Ralph A. Petersen Tunnel (Lane County, Oregon)
Built 1958
Tunnel on OR 126
Open to traffic

Ranch road Tunnel (Union County, Oregon)
Tunnel
Open to traffic

Randolph Collier Tunnel (Del Norte County, California)
Built 1963
Tunnel under Oregon Mountain on US 199
Open to traffic

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

Rays Hill Tunnel (Bedford County, Pennsylvania)
Begun ca. 1885 by South Penn. RR; completed 1940 by Penn. Tpk. Comm.; bypassed and abandoned in 1968.
Tunnel on abandoned alignment of Pennsylvania Turnpike
Unofficially open to hikers and bicyclists

RBMN - Jeddo Tunnel (Schuylkill County, Pennsylvania)
Built 1850
Tunnel under hillside on Reading, Blue Mountain & Northern RR
Open to traffic

RBMN - Mahanoy Tunnel (Schuylkill County, Pennsylvania)
Built 1862
Tunnel under Buck Mountain on Reading, Blue Mountain & Northern Railroad
Open to traffic

RBMN - Rockport Tunnel (Luzerne County, Pennsylvania)
Tunnel under Hillside on Reading Blue Mtn and Northern RR
Open to traffic

RBMN - Tamaqua Tunnel (Schuylkill County, Pennsylvania)
Built 1854
Tunnel under hillside on Reading, Blue Mountain & Northern RR
Open to traffic

RBMN - Vosburg Tunnel (Wyoming County, Pennsylvania)
Built 1884
Tunnel on Reading, Blue Mountain & Northern Railroad
Open to traffic

RBMN - White Haven Tunnel (Luzerne County, Pennsylvania)
Tunnel under Hillside on Reading Blue Mtn and Northern RR
Open to traffic

RDG - Lofty Tunnel (Schuylkill County, Pennsylvania)
Line abandoned in 1976
Abandoned tunnel under Broad Mountain on Reading Railroad
Derelict/abandoned

RDG - Pulpit Rock Tunnel (Schuylkill County, Pennsylvania)
Built in 1838; bypassed and abandoned in 1924
Abandoned tunnel under hillside on Reading Railroad
Derelict/abandoned

RDG - Shuman Tunnel (Columbia County, Pennsylvania)
Abandoned tunnel under hillside on Reading Railroad
Derelict/abandoned

Red Rock Tunnel (Jefferson County, Colorado)
Built 1940
Tunnel under Red Rock on Red Rocks Park Road
Open to traffic

Redbank Valley Trail - Brookville Tunnel (Jefferson County, Pennsylvania)
Tunnel on Redbank Valley Trail
Closed, may be rehabbed for trail use

Redbank Valley Trail - Climax Tunnel (Clarion County, Pennsylvania)
Tunnel on Redbank Valley Trail
Open to pedestrians only

Redbank Valley Trail - Long Point Tunnel (Clarion County, Pennsylvania)
Tunnel on Redbank Valley Trail
Open to pedestrians only

Reverse Curve Tunnel (Garfield County, Colorado)
Built 1989
Tunnel on Westbound I-70
Open to traffic

RI - Argyle Tunnel (Osage County, Missouri)
Built 1903
Tunnel on the Rock Island Railroad under a hill and CR 541 between Meta and Koeltztown
Railroad line inactive since 1979

RI - Eugene Tunnel (Cole County, Missouri)
Built 1903
Tunnel under a hill and MO 17 on the Rock Island Railroad at Eugene
Railroad line currently inactive

RI - Freeburg Tunnel (Osage County, Missouri)
Tunnel on the Rock Island Railroad under Freeburg and US 63
Railroad line currently inactive

RI - Split Rock Tunnel (LaSalle County, Illinois)
Built 1853; Abandoned 1954
Abandoned tunnel on Railroad (RI)
Abandoned

RI - Vale Tunnel (Jackson County, Missouri)
Built 1903-4; abandoned 1980 with the bankruptcy of the Rock Island Railroad, converted to trail use 2019
Tunnel on the Rock Island Trail under a hill and Bannister Road between Raytown and Lees Summit in Kansas City
Railroad line inactive, open as rail trail

Rim Rock Drive Tunnel #1 West Lower (Mesa County, Colorado)
Built 1933
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #2 West Upper (Mesa County, Colorado)
Built ny the CCC in the 1930's
Tunnel under Historic Rim Rock Drive on Land
Open

Rim Rock Drive Tunnel #3 East (Mesa County, Colorado)
Built ny the CCC in the 1930's
Tunnel under Historic Rim Rock Drive on Land
Open

Rimrock Tunnel (Yakima County, Washington)
Built 1936
Tunnel on US 12
Open to traffic

Rivermont Tunnel (Lynchburg, Virginia)
Tunnel under Columbia Ave/hillside on NSRR
Open to traffic

RJCC - Eastwood Tunnel (Jefferson County, Kentucky)
Tunnel under Town of Eastwood on L&N Railroad
Open to traffic

RJCC - Frankfort Tunnel (Franklin County, Kentucky)
Built 1849 by the Lexington and Frankfort Railroad. Currently owned by R. J. Corman (RJC) Railroad
Tunnel under Main Street (US 60)
Open to traffic

RJCM - Palmyra Tunnel (Montgomery County, Tennessee)
Built c. 1850s by Memphis, Clarksville & Louisville Railroad (M.C. & L.)
Tunnel on R.J. Corman Railroad/Memphis Line
Open to traffic

RJCP - Fulton Tunnel (Clearfield County, Pennsylvania)
Tunnel under hillside on RJ Corman RR
Open to traffic

RJCP - Karthaus Tunnel (Clearfield County, Pennsylvania)
Built 1901
Tunnel under hillside on RJ Corman RR
Open to traffic

Road Atlanta Ingress Tunnel (Hall County, Georgia)
Raceway built in 1970
Tunnel under Road Atlanta Raceway on Road Atlanta Raceway Ingress Road
Open to traffic

Rock Arch Tunnel #1 (Garfield County, Utah)
Built 1941
Rock Arch Tunnel over SR-12
Open to traffic

Rock Arch Tunnel #2 (Garfield County, Utah)
Built 1941
Tunnel under Sr-12 on Rock Arch Tunnel
Open to traffic

Rocky Butte Tunnel (Multnomah County, Oregon)
Built 1939
Tunnel under Rocky Butte on Rocky Butte Road in Portland
Open to traffic

Roosevelt Elementary School Pedestrian Tunnel (Jefferson County, Iowa)
Tunnel under US 34 on Pedestrian Path
Open to pedestrians only

Rosslyn Tunnel (Arlington County, Virginia)
Built 1983
Tunnel under N.Nash St., N. Fort Myer Dr., N.Lynn St. on I-66
Open

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

Route Of The Hiawatha Trail - Clear Creek Tunnel #1 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Clear Creek Tunnel #2 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Deer Creek Tunnel #1 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Deer Creek Tunnel #2 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Dominion Creek Tunnel (Mineral County, Montana)
Tunnel on Route of the Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Dry Creek Tunnel (Shoshone County, Idaho)
1909
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Loop Creek Tunnel #1 (Shoshone County, Idaho)
Built 1909
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Loop Creek Tunnel #2 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Moss Creek Tunnel (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Small Creek Tunnel #2 (Shoshone County, Idaho)
Built 1909.
Tunnel on Route Of The Hiawatha Trail
Open to pedestrians only

Route Of The Hiawatha Trail - Taft Tunnel (Mineral County, Montana)
Built 1909, Abandoned by railroad 1980, Converted to pedestrian use 2001
Tunnel through St. Paul Pass on Route Of The Hiawatha Trail
Open to pedestrians and non-motorized bicycles only

Ruston Tunnel (Pierce County, Washington)
Built 1912, Demolished 2011
Tunnel under Asarco Smelter on N. 51st Street in Ruston
Removed mid July 2011

Saddle Tunnel (Oconee County, South Carolina)
Built 1853
Historic Railroad Tunnel
Inundated

Salt Creek Tunnel (Lane County, Oregon)
Built 1939
Tunnel on OR 58
Open to traffic

San Vicente Creek Tunnel (Santa Cruz County, California)
Built 1906
Tunnel for San Vicente Creek under CA 1 & Union Pacific Railroad
Open to traffic

Sandy Creek Trail - Sandy Creek Tunnel (Venango County, Pennsylvania)
Built originally as part of the Franklin & Clearfield Railroad
Tunnel on Sandy Creek Trail
Open to pedestrians only

SCBG - Mission Hill Tunnel (Santa Cruz County, California)
Bored 1876; Widened 1903
Tunnel on Santa Cruz Big Trees and Pacific Railway (SCBG)
Open to traffic

Scotts Bluff National Monument Tunnels (Scotts Bluff County, Nebraska)
Opened September 19, 1937
Tunnels under Scotts Bluff on Summit Road
Open to traffic

SD&A - Tunnel #4 (San Diego County, California)
Tunnel under US-Mexico Border on San Diego & Arizona Railway
Open to traffic

Seaboard Air Line Tunnel (Richland County, South Carolina)
Once a railroad tunnel, now open as a pedestrian trail
Tunnel under Hampton Street and Washington Street on the former Seaboard Air Line in Columbia
Open to pedestrians only

Selby Avenue Streetcar Tunnel (Ramsey County, Minnesota)
Built 1906-7
Sealed Tunnel under Twin City Rapid Transit Co. on Selby Avenue
Intact but closed to all traffic

SEPTA - Perkasie Tunnel (Bucks County, Pennsylvania)
Built 1853-1857
Tunnel under goes under Ridge Road (PA Route 563)-Landis Ridge on Former Reading RR now East Penn RR
Open to traffic

Sepulveda Boulevard Tunnel (Los Angeles County, California)
1929 tunnel
Open to traffic

Sequalichew Creek Trail - DuPont Dynamite Tunnel (Pierce County, Washington)
Built 1900s
Tunnel on Sequalichew Creek Trail, Former DuPont Company Railway under BNSF Railroad
Open to pedestrians only

SF Muni - Sunset Tunnel (San Francisco County, California)
Built 1928
Tunnel under Buena Vista Park on SF Muni
Open to traffic

SF Muni - Twin Peaks Tunnel (San Francisco County, California)
Built 1918
Tunnel on San Francisco Municipal Railway
Open to traffic

Sherrill Cove Tunnel (Swain County, North Carolina)
Built ca1930
Tunnel under Mountain on Blue Ridge Parkway
Open to traffic

Shrine Drive-Thru Tree (Humboldt County, California)
Tunnel on Private Drive
Open to traffic

Sideling Hill Tunnel (Fulton County, Pennsylvania)
Begun c. 1885 by South Penn. RR; completed 1940 by Penna. Tpk. Comm; bypassed and abandoned 1968
Tunnel on Abandoned alignment of Pennsylvania Turnpike
Unofficially open to hikers and bicyclists

Silver Creek Cliff Tunnel (Lake County, Minnesota)
Built 1994
Tunnel on MN 61
Open to traffic

Silver Zone Pass Land Bridge (Elko County, Nevada)
Built 2012
Tunnel under Interstate 80 on Wildlife Pass
Open to Wildlife

SIR - St George Tunnel (Richmond County, New York)
Tunnel on SIR
Open to traffic

Sluice Boxes State Park Railroad Tunnel (Cascade County, Montana)
Built 1890; Abandoned 1945
Tunnel under Hill on Sluice Boxes State Park Hiking Trail
Open to pedestrians only

SMART - Cal Park Hill Tunnel (Marin County, California)
Built 1884, closed 1978 , opened to pedestrains 2010.
Tunnel on Pedestrian Pathway/SMART
Open to pedestrians, commuter rail traffic planned

SMART - Puerto Suello Tunnel (Marin County, California)
Built 1879; Roof collapsed during a fire 1961, rebuilt 1967, Closed in the 80s, Rehabilitated 2014-16
Tunnel on Sonoma-Marin Area Rail Transit
Open to traffic

SN - Redwood Peak Tunnel (Alameda County, California)
Built 1911, closed & sealed 1957; Caved-in 1982
Abandoned tunnel through Shepherd/Redwood Canyon on Sacramento Northern Railway
Abandoned

Snow Shoe Trail - Peale Tunnel (Clearfield County, Pennsylvania)
Line abandoned in 1993
Tunnel under hillside on Snowshoe Trail - Conrail (Abandoned)
Open to pedestrians only

Solano Avenue Tunnel (Alameda County, California)
Built 1930
Tunnel under under Marin Avenue on Solano Avenue
Open to traffic

Soledad Canyon Tunnel (Los Angeles County, California)
Built 1935
Tunnel on Soledad Canyon Road
Open to traffic

SOU - Fishtrap Tunnel (Jefferson County, Alabama)
Built in 1880s, bypassed in early 20th century
Abandoned tunnel on SOU Rwy
Abandoned

SOU - New Tunnel 24 (Morgan County, Tennessee)
Built in 1962 as part of the tunnel bypass program which replaced tunnels 22, 23 and 24 with new 22 and new 24 and built the Emory River Bridge between the two new tunnels. It was placed in service Nov. 12, 1962.
Tunnel under Tunnels through Nemo Mountain on Railroad
Open to traffic, railroad tunnel, approximately 40 - 50 trains in a 24 hour period.

South Bull Bridge (Mingo County, West Virginia)
Built 1883
Tunnel under Highway Tunnel on Private Road


SOUTH MATILIJA TUNNEL (Ventura County, California)
Built 1931
South Matilija Tunnel on State Route 33
Open to traffic

Southern - Fairdale Tunnel (Harrison County, Indiana)
Bypassed, abandoned and filled in by railroad
Abandoned tunnel under a hill and Tunnel Hill Road on formerly the Southern Railway in Fairdale
Abandoned

SP - Altamont Pass Tunnel (Alameda County, California)
Built 1909
Abandoned tunnel under hillside on SP RR
Derelict/abandoned since 1985

SP - Cascade Summit Wye Tunnel (Klamath County, Oregon)
Built 1926
Lost Tunnel on Cascade Summit Wye Track
Collapsed

SP - Donner Summit Snowsheds/Tunnels (Placer County, California)
Track 1 abandoned in 1996
Tunnel on Railroad
Open to pedestrians only