Boston’s Big Dig Tunnel Finally Opens to Traffic
Five years late and billions of dollars over cost, a tunnel routing Interstate 93 under downtown Boston has opened, replacing the hulking elevated highway that has marred the landscape for more than four decades.
The opening of the southbound lanes was a milestone marking the last stretch of major construction in Boston’s Big Dig, one of the largest and most expensive public infrastructure projects in U.S. history.
The old highway was hailed as a modern “highway in the sky” when it opened in 1959.
But it had been overwhelmed with more than double the number of cars it was designed to carry.
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