The state will close the Massachusetts Avenue Bridge and Memorial Drive between the Longfellow Bridge and Vassar Street Saturday morning for the 2013 Red Sox Run to Home Base.
The closures will be in effect from 7:30 a.m. to 10:30 a.m. Saturday, May 4, and parking restrictions will be in effect on a portion of Memorial Drive from 1 a.m. to 11 a.m. Saturday, according to the state Department of Conservation and Recreation.
Then, on Sunday, more road closures and traffic delays are expected in Cambridge and Boston and several neighboring communities, as more than 40,000 people participate in Project Breadís 20-mile Walk for Hunger.
The walk to raise money for hunger relief and prevention will start Sunday, May 5, at 7 a.m. at the Boston Common, and will lead to several road closures in the area, including the closing of Charles Street between Boylston and Beacon streets between 6 a.m. and 6.p.m. The outbound side of Commonwealth Avenue from Arlington Street through Kenmore Square will be closed from 6 a.m. to 11 a.m., and other streets around the Boston Common and Kenmore Square will also be closed. The route map can be found here and a full list of the street closures and traffic restrictions can be found here.
In Cambridge, Memorial Drive will be closed between Fresh Pond Parkway and Western Avenue from 11 a.m. to 7 p.m. Sunday, and other closures, parking restrictions and traffic delays are expected.
In Brookline, the outbound side of Beacon Street will be closed between St. Maryís and Carlton streets from 7 a.m. to noon.
In Newton, Exit 17 from I-90 Westbound will be closed from 10 a.m. until the heavy flow of walkers subsides around 2 p.m. and other closures and delays are expected.
In Watertown, Greenough Boulevard will be closed between North Beacon and Arsenal Streets will be closed to vehicles from 8:30 a.m. to 6 p.m.