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The Big Dig or Central Artery/Tunnel Project was a massive project in Boston that rerouted the Central Artery of Interstate 93 (I-93) into a 1.5 mile tunnel.
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The Big Dig or Central Artery/Tunnel Project was a massive project in Boston that rerouted the Central Artery of Interstate 93 (I-93) into a 1.5 mile tunnel.