When construction for the Ted Williams Tunnel began in 1991, it was the third in the city to travel underneath Boston Harbor, following the Sumner Tunnel in 1934 and the Callahan Tunnel in 1961. It was the first major link of the larger Central Artery/Tunnel Project, which became known as the Big Dig, and was plagued with controversy. The Big Dig became the most expensive highway project in U.S. history. The project was beset with delays, cost overruns, leaks, faulty designs, substandard construction, criminal arrests, and the death of one…
