The harbor tunnel, which runs between Aquarium and Maverick stations, passes under Boston Harbor and is susceptible to flooding during storm surges.
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The MBTA's General Manager Phil Eng says problems with the new Green Line Extension are more extensive than first thought. The tracks' prefabricated ties were built with the rail gauge too narrow and will have to be repaired. According to Eng, the problem was identified as far back as April 2021.
While it may come as a shock, the first subway system in the United States was not opened in New York City – America's first and oldest subway is actually located in Boston, Massachusetts. The MBTA (Massachusetts Bay Transportation Authority) Subway dates back to 1897.
Introduction. The Ted Williams Tunnel was part of the “Big Dig” project to update Boston's Central Artery highway system and was the largest architectural feat of the project. At 90ft deep below the harbor, it is the deepest tunnel in North America.
The National Transportation Safety Board determines that the probable cause of the July 10, 2006, ceiling collapse in the D Street portal of the Interstate 90 connector tunnel in Boston, Massachusetts, was the use of an epoxy anchor adhesive with poor creep resistance, that is, an epoxy formulation that was not capable ...
It was originally a two-way road that carried traffic in both directions, until the opening of the parallel Callahan Tunnel in 1961. The tunnel is 8,448 feet long, of which approximately 3,960 feet are underwater. In 2017, the state removed the tollbooths as part of a switch to electronic tolling.