Cambridge Street Tunnel Westbound Closure

On Thursday, October 30, the City’s contractor, MIG Corporation, will close the westbound portion of the Cambridge Street Tunnel (traveling towards Harvard Square), in order to place new concrete wearing surface. The westbound lanes will be closed from 4am – 3pm.

Motorists travelling in the eastbound lanes will not be impacted. Message boards and detour signs will be highly visible during this closure. Emergency vehicles will maintain access at all times.

Cambridge Street Tunnel Westbound Closure