The Dewey Square Tunnel in Boston, Massachusetts, is part of Interstate 93 (concurrent with US 1 and Route 3), running under the heart of the city's financial district, including Dewey Square. Built in 1959, it was part of Boston's Central Artery freeway construction project of the 1950s. [1]

Opening of Dewey Square Tunnel, including new entrance and exit ramps. Opening of the two cantilevered lanes on Leonard P. Zakim Bunker Hill Bridge. Opening of permanent ramps and roadways at I-90/I-93 Interchange and in other areas.

The Dewey Square Tunnel was the one part of the original Artery not torn down; it now serves southbound traffic. The idea of building the entire Artery underground was first floated in the 1970s emanating from the central artery depression concept developed by the Boston Transportation Planning Review .

该大型工程位于波士顿，在重新规划中穿过城市心脏的93号州际公路（I-93） 主动脉 （ 英语 ： Central Artery ） 公路段，建设了1.5英里（2.4公里） 小托马斯·菲利普·“提普”·奥尼尔隧道 （ 英语 ： O'Neill Tunnel ） 代替原有的高架路段，并在高架路段原址上建设了 ...

2013年11月4日 · The Dewey Square Tunnel ran about 3,800 feet with about 2,800 feet underground. It was the only part of the national highway system to be put underground at that time (1956) and was also the widest vehicular tunnel in the world.

The 2,400-foot-long "South Station Tunnel" (or "Dewey Square Tunnel") was the widest vehicular tunnel in the world when it was built between 1956 and 1959. Unlike the wholesale demolition of buildings further north along the route, less than 10 percent of the total floor area of buildings along the route - which were used by active garment and ...

The exterior walls of the structure will provide tunnel ventilation both fresh air supply and exhaust capacities for the rehabilitated Dewey Square (South Station) tunnel below. Even though the steel will not be exposed to view, it is in an extremely aggressive and corrosive environment.

2023年5月1日 · Officially known as the Central Artery/Tunnel Project, the Big Dig reconnected downtown Boston with its waterfront neighborhoods and the historic North End. It was the most complex and expensive highway project ever undertaken in the United States.

1996年1月1日 · The Dewey Square Tunnel in Boston, part of the Central Artery I-93 alignment, is to be upgraded to satisfy current highway standards. The preliminary design includes extensive structural modification. Construction staging plans include a program of inspection and material testing of the existing structure.

The Dewey Square Tunnel in Boston, Massachusetts, is part of Interstate 93 (concurrent with US 1 and Route 3), running under the heart of the city's financial district, including Dewey Square. Built in 1959, it was part of Boston's Central Artery freeway construction project of the 1950s.