New detour information from MassDOT:
Vehicular DetoursEffective November 6, 2010, MassDOT will close all inbound travel lanes on Route 28 southbound at the intersection of Land Boulevard as part of the Craigie Drawbridge Rehabilitation Project. Outbound traffic leaving Boston through Leverett Circle will be unaffected during this period.Traffic trying to access I-93 and Storrow Drive will be detoured east over the Gilmore (Prison Point) Bridge towards Bunker Hill Community College/City Square. Traffic heading to I-93 Northbound will be directed left through Sullivan Square, while traffic trying to access I-93 Southbound and Route 1 (Tobin Bridge) will be directed to turn right.(see attached map) Traffic traveling to the Charles Circle Area will be detoured westbound down Land Boulevard to the Longfellow Bridge to cross the Charles River. (see attached map)Access to the Museum of Science will not be restricted but patrons are advised to approach the Museum from Boston to avoid anticipated traffic congestion on the Cambridge side of the project.
Bike and Pedestrian Access during Construction
Full bike and pedestrian access in each direction will be maintained during construction. During Phases 1 and 3 of the drawbridge replacement, only one side of the bridge will be opened and must be shared by inbound and outbound bike and pedestrian traffic. A manned and signalized crossing area will be placed at the mid-point of the roadway at the Museum of Science during these phases.