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The Thomas P. "Tip" O'Neill Jr. Tunnel (colloquially O'Neill Tunnel) is a highway tunnel built as part of the Big Dig in Boston, Massachusetts.It carries the Central Artery underneath downtown Boston, and is numbered as Interstate 93 (I-93), U.S. Route 1 (US 1), and Route 3.
Sumner Tunnel, State Route 1A southwest-bound only, under Boston Harbor; Fort Point Tunnel, twin tunnels, Massachusetts Turnpike/I-90 under Fort Point Channel, Boston; Ted Williams Tunnel, twin tunnels, Massachusetts Turnpike/I-90 under Boston Harbor; Thomas P. O'Neill Jr. Tunnel, twin tunnels, 2003, I-93 (in coordination with the Dewey Square ...
The Sumner Tunnel is a road tunnel in Boston, Massachusetts, United States. It carries traffic under Boston Harbor in one direction, from Logan International Airport and Route 1A in East Boston . The tunnel originally deposited traffic at the west side of the North End , but with the completion of the Big Dig , it was modified to have two exits.
Pages in category "Tunnels in Boston" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. B. Big Dig; C.
Boston's central subway is the system of tunnels through which the MBTA Green Line operates light rail transit (LRT or "trolley") service in the urban core of the city. [1] The central subway comprises several tunnels built at different times, including the Tremont Street subway, the Boylston Street subway, and the Huntington Avenue subway.
The Big Dig was a megaproject in Boston that rerouted the then elevated Central Artery of Interstate 93 that cut across Boston into the O'Neill Tunnel and built the Ted Williams Tunnel to extend Interstate 90 to Logan International Airport. Those two projects were the origin of the official name, the Central Artery/Tunnel Project (CA/T Project).
The tunnel was opened in 1961. It was named for the son of Turnpike chairman William F. Callahan, who was killed in Italy days before the end of World War II. Formerly, control signals were used to reverse the direction of one lane in this tunnel or the Sumner Tunnel, when the opposite tunnel was closed for maintenance or emergencies. Under the ...
Streetcar congestion in downtown Boston led to the creation of underground subways and elevated rail, the former in 1897 and the latter in 1901. The Tremont Street subway was the first rapid transit tunnel in the United States and had a 24/7 service. [4]