Immersed Tube Tunnel
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Baltimore Harbor Tunnel (Baltimore, Maryland)
Built in 1957; closed for 3 years and renovated in 1987Tunnel under Patapsco River on I-895Open to traffic
BART - Transbay Tube (San Francisco County, California)
Built 1969; Opened 1974Tunnel under San Francisco Bay on BARTOpen to traffic
Baytown Tunnel (Harris County, Texas)
Built 1953, Closed 1995, Demolished 1997-1999 due to the deepening of the Houston Ship CanalLost Tunnel under Houston Ship Channel on TX 146Replaced a new bridge
Callahan Tunnel (Suffolk County, Massachusetts)
Built 1961Tunnel under Boston Harbor on East Boston Expressway (MA 1A)Open to traffic
Chesapeake Bay Bridge-Tunnel (Northampton County, Virginia)
Northbound lanes built 1964; Soutbound lanes built 1995-9Bridge-tunnel over/under Chesapeake Bay on US 13Open to traffic
Detroit-Windsor Tunnel (Wayne County, Michigan)
Built 1930Tunnel under Detroit River on US I-375/M-10 & Former Canada 3B in Windsor, Ontario Canada and DetroitOpen to traffic
Fort McHenry Tunnel (Baltimore, Maryland)
Built 1980-1985Tunnel under Patapsco River on I-95 SB/NBOpen to traffic
George C. Wallace Tunnel (Mobile County, Alabama)
Built 1973Dual four-lane tunnel under Mobile River on I-10 in MobileOpen to traffic
Hampton Roads Bridge-Tunnel (Hampton, Virginia)
Buil 1957 (WB), Built 1976 (EB)Tunnel under Hampton Roads on Hampton Roads Beltway/US60/I-64Open to traffic
Holland Tunnel (Hudson County, New Jersey)
Built 1927Tunnel under Hudson River on Interstate 78Open to traffic
John H. Bankhead Tunnel (Mobile County, Alabama)
Built 1940Single two-lane tunnel under Mobile River on US 98 (old U.S. 90) in MobileOpen 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-495Open to traffic
Midtown Tunnel (Portsmouth, Virginia)
Built 1962Tunnel under Elizabeth River on US-58Open to traffic
NYCTA - 53rd Street Tunnel (New York County, New York)
Built 1932Tunnel under East River on IND Queens Boulevard LineOpen to traffic
NYCTA - Concourse Tunnel (New York County, New York)
Built 1932Tunnel under Harlem River on IND Concourse LineOpen to traffic
NYCTA - Greenpoint Tube (Queens County, New York)
Built 1932Tunnel under Newtown Creek on New York City Metropolitan Transit AuthorityOpen to traffic
PATH - Downtown Hudson Tubes (New York County, New York)
Opened 1909Tunnel under Hudson River on Port Authority Trans-Hudson (PATH)Open to traffic
PATH - Uptown Hudson Tubes (New York County, New York)
Opened 1908Tunnel under Hudson River on Port Authority Trans-Hudson (PATH)Open to traffic
Posey Tube (Alameda County, California)
Built 1927, seismic retrofit 2000Immersed Tube tunnel under Oakland Inner Harbor on State Route 260
Queens-Midtown Tunnel (New York County, New York)
Built 1940Tunnel under East River on Interstate 495Open to traffic
Sumner Tunnel (Suffolk County, Massachusetts)
Built 1934; Converted to one-way westbound traffic in 1961Tunnel under Boston Harbor on East Boston Expressway (MA 1A)Open to traffic
Ted Williams Tunnel (Suffolk County, Massachusetts)
Built 2003 as part of Big Dig projectTunnel under Boston Harbor on Massachusetts Turnpike (Interstate 90)Open to traffic
Washburn Tunnel (Harris County, Texas)
Built 1950Tunnel under Houston Ship Channel on Federal RoadOpen to traffic
Webster Street Tube (Alameda County, California)
Built 1963Tunnel under Oakland Inner Harbor on State Route 260, Webster StreetOpen to traffic