

(Source: MassDot)ĭuring the closure, the state will offer expanded access to train, bus and ferry transportation. So, officials are urging drivers to not drive.

He says traffic during the Sumner closure could lengthen some commutes by up to an hour. And as Gulliver notes, those two routes already see high levels of traffic congestion under normal conditions. Officials expect drivers to detour roughly evenly between the Tobin Bridge and the Ted Williams Tunnel, which are the only two other options for driving into Boston from East Boston, the North Shore and Logan airport. "It cannot be understated," said Massachusetts Highway Administrator Jonathan Gulliver, adding the tunnel closure and spillover traffic will make it "very, very difficult" for those living in or regularly traveling through the area. (There is another two-month closure scheduled for summer 2024.)Īnd while the tunnel primarily brings traffic from East Boston and Logan International Airport to the city's downtown and other points west, state transportation experts expect the closure to have a regional impact. The Sumner Tunnel is closed 24/7 from July 5 through the end of August, in the first of two big shutdowns for much-needed restoration work on the 88-year-old harbor tunnel. The most disruptive construction project Boston has seen in at least half a decade has begun. Facebook Email Signs near the Sumner Tunnel entrance warn drivers of tunnel closures this summer.
