On Sunday, March 18 beginning at 9 a.m., police and traffic and parking personnel will be detouring vehicles in and around the Davis, Teele, and Ball Square areas to accommodate the running of the annual Race of Ireland road race. Secondary roads in these areas may also be closed to through traffic for a brief time in order to allow runners to pass. Major roadways including Holland Street to Alewife Brook Parkway, Powerhouse Boulevard, Broadway (in the Ball Square corridor), Cedar Street and Highland Ave. between Cedar Street and Davis Square will be closed from 11 a.m. to approximately 1 p.m. The Davis Square area will be closed to all traffic until approximately 1 p.m. Buses to and from the Davis Square area will be rerouted down Elm Street, and buses along the race route may be delayed for a short period of time. Police and MBTA officials will be stationed throughout these areas to direct traffic and provide detour information. If you have any questions, please call 311.