The Sumner Tunnel in Boston will be closed for one month this summer, the Massachusetts Department of Transportation said Tuesday. The tunnel will close on July 5 and will reopen on Aug.

Traffic was backed up early Tuesday morning in Boston's Sumner Tunnel as a big rig truck appeared to be attempting to reverse through the tunnel. The truck was apparently too big to fit in the ...

The first of three underwater crossings beneath Boston Harbor, the Sumner Tunnel, was named after William Hyslop Sumner and opened on June 30, 1934. Sumner had developed Noddle’s Island in the ...