Big Dig - Wikipedia
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.
Ted Williams Tunnel - Wikipedia
The tunnel is named after the Boston Red Sox baseball legend Ted Williams. The underwater section of the tunnel is 90 feet below the surface of Boston Harbor, the deepest such connection in North America.
The Big Dig: tunnels and bridges - Mass.gov
Named for the Boston Red Sox Legend, the tunnel doubles Boston's cross-harbor tunnel capacity from four lanes to eight. The .75-mile underwater part of the 1.6 mile tunnel used a dozen steel tube sections, each longer than a football field.
7 Big Facts About the “Big Dig” - Interesting Engineering
Dec 16, 2019 · What is the “Big Dig”? The “ Big Dig “, officially called the Central Artery/Tunnel Project (CA/T), was a largescale civil engineering project in Boston. Planning began in the early 1980s with...
The Big Dig: facts and figures - Mass.gov
The Ted Williams Tunnel interface in East Boston between the land-based approach and the underwater section is 90 feet below the surface of Boston Harbor, the deepest such connection in North America.
The Big Dig: project background - Mass.gov
The project replaced Boston's deteriorating six-lane elevated Central Artery (I-93). It did so with an underground highway that is state of the art and two new bridges over the Charles River. It also extended I-90 to Boston's Logan International Airport, and Route 1A.
Big Dig | History, Boston, & Facts | Britannica
Dec 23, 2024 · The Big Dig, the largest and most expensive highway infrastructure project in the history of the United States, rerouted Boston’s Interstate 93 through an underground tunnel. It was conceived in the 1970s, begun in 1991, and completed in 2007.
O'Neill Tunnel - Wikipedia
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.
'The Big Dig': The Legacy Of The Costliest Highway Project
Nov 26, 2023 · Perhaps no project captures this better than Boston's Central Artery Tunnel project, more commonly known as the Big Dig. It's the nation's most expensive highway project. And it took more...
FHWA - Center for Innovative Finance Support - Project Profiles
The Central Artery/Tunnel Project opened three major highway tunnels and an innovative river crossing. The reconstruction of I-93 through downtown Boston. Source: Credit to Massachusetts Turnpike Authority
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