Cut-And-Cover Tunnel

Aero Drive Tunnel (Erie County, New York)
Built 1960
Concrete rigid frame bridge over Aero Drive on Buf Airport Runwy
Open to traffic

Amtrak - "Freedom" Tunnel (New York County, New York)
Built in the 1930s
Tunnel on Railroad (Amtrak) under Riverside Park
Open to traffic

BART/SF Muni - Market Street Subway (San Francisco County, California)
Originally built 1973 for Bay Area Rapid Transit, San Francisco Municipal Railway connection added in 1980
Tunnel on Bay Area Rapid Transit & San Francisco Municipal Railway
Open to traffic

Cincinnati Subway System (Hamilton County, Ohio)
Built 1920
Abandoned tunnel on Cincinnati Subway
Abandoned. Never Operational

Fairway Pedestrian Underpass (Johnson County, Kansas)
Pedestrian tunnel under Shawnee Mission Pkwy
Open to traffic

Fort McHenry Tunnel (Baltimore, Maryland)
Built 1980-1985
Tunnel under Patapsco River on I-95 SB/NB
Open to traffic

I5-CA14 Split Tunnel (Los Angeles County, California)
Tunnel for IH-5SB truck bypass
Tunnel under the 5-14 split
Open to traffic

Illinois Terminal - Tucker Tunnel (St. Louis, Missouri)
Built in 1931; demolished in 2010
Cut-And-Cover Tunnel under Tucker Blvd. on Illinois Terminal Railroad tunnel on in St. Louis
Filled in. Tunnel has been filled in with new roadway built on top.

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

Lindbergh Tunnel (St. Louis County, Missouri)
Built in 2006
Tunnel on North Lindbergh Boulevard (U. S. Highway 67) under the west runway at Lambert - St. Louis International Airport
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

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

PE - Belmont Tunnel (Los Angeles County, California)
Built 1925
Abandoned tunnel on Railroad (PE)
Abandoned

PR22 Túnel Minillas (San Juan, Puerto Rico)
Built 1978;
Tunnel on PR 22
Open to traffic

Presidio Parkway Battery Tunnel (EB) (San Francisco County, California)
Tunnel through hillside on CA 101SB
Open to traffic

Presidio Parkway Battery Tunnel (WB) (San Francisco County, California)
Underconstruction
Tunnel through hillside on CA 101/ Presido Pkwy
Under construction

Presidio Parkway Main Post Tunnel (EB) (San Francisco County, California)
Built 2014
Tunnel on US101
Open to traffic

Presidio Parkway Main Post Tunnel (WB) (San Francisco County, California)
Built 2014
Tunnel on US101
Open to traffic

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

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

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

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

St Francis Avenue Tunnel (Milwaukee County, Wisconsin)
Opened in 1998
Tunnel under St. Francis Ave and the Union Pacific Railroad on Wis 794
Open

Taxiway A Tunnel (Allegheny County, Pennsylvania)
Tunnel under Taxiway A on Union Railroad & Lebanon Road/PA 885
Open to traffic

TRRA - Arch Grounds Tunnel #1 (St. Louis, Missouri)
Built 1963
Tunnel under a hill on the Jefferson Nat'l Expansion Memorial Park on TRRA Railroad
Open to railroad traffic

TRRA - Arch Grounds Tunnel #2 (St. Louis, Missouri)
Built 1963
Tunnel under the Gateway Arch on the TRRA Railroad
Open to railroad traffic

TRRA - Arch Grounds Tunnel #3 (St. Louis, Missouri)
Built 1963
Tunnel under a hill on the Jefferson Nat'l Expansion Memorial Park on TRRA Railroad
Open to railroad traffic

Water Bridge #1 (Orange County, Florida)
Tunnel under Bay Lake on World Drive
Open to traffic