Sumner Tunnel
The Sumner Tunnel is a road tunnel in Boston, Massachusetts, United States. It carries traffic under Boston Harbor in one direction, from Logan International Airport and Route 1A in East Boston. The tunnel originally deposited traffic at the west side of the North End, but with the completion of the Big Dig, it was modified to have two exits.
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- Tuesday24 hours open
- Wednesday24 hours open
- Thursday24 hours open
- Monday24 hours open
- Friday24 hours open
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