Expect Weekend Traffic Impacts from Saint Cosmas and Damian Festival, Port Pride Day, and Cambridge Carnival

Several roads in Cambridge will close for community events between Thursday, September 7, and Sunday, September 10. Expect traffic impacts in East Cambridge, the Port, Riverside, and Central Square. 

The 98th Annual Saints Cosmas and Damian Festival will take place Friday, September 8 through Sunday, September 10. The festival takes place in East Cambridge, primarily on Warren Street, Macarelli Way, and Porter Street. Road closures will begin Thursday evening, September 7. The festival also includes several processionals around East Cambridge and Somerville over the course of the weekend. Expect traffic impacts around East Cambridge.

The 19th Annual Port Pride Day will take place on Saturday, September 9 in the Port. Sponsored by the Margaret Fuller House, the event takes place in and around Clement Morgan Park and the Margaret Fuller House. Columbia Street will close between Bishop Allen Drive and Washington Street, Pine Street will close between School Street and Washington Street, and Easton Street will close between Pine Street and Cherry Street. Rain date for this event is September 16.

The 29th Cambridge Carnival parade and festival will take place on Sunday, September 10, from 11 a.m. to 5 p.m. The parade starts on Blackstone Street at 12:30 p.m., proceeds down River Street to Central Square, turns right on Massachusetts Avenue, and continues to Sidney Street. The festival will take place on Sidney Street between Massachusetts Avenue and Pacific Street. The parade route will be closed between noon and 3 p.m. Sidney Street and adjacent blocks of Green Street, Franklin Street, and Pilgrim Street will remain closed from Sunday morning through Sunday evening. Expect traffic impacts in the neighborhoods of Riverside, Cambridgeport, and Central Square.