Starting December 15, Route 109 will be permanently extended past Sullivan Square to Harvard Square. This extension of Route 109 will replace the existing Route 86 on Washington Street between Sullivan and Harvard. Learn more: MBTA.com/109
Changes on December 15: • Service will increase to every 15 minutes or better every day during service hours as Route 109 is upgraded to a Frequent Bus Route. • Service will run from 4:55 AM to 1:22 AM weekdays, and 5 AM to 1:20 AM on weekends. • It will continue to run from Linden Square to Sullivan Square, and will be extended south past Sullivan to Harvard. This extension of Route 109 will replace the existing Route 86 on Washington Street between Sullivan Square and Harvard Square. • This extended route will provide a new direct connection from Everett to the Green Line in Somerville and the Red Line at Harvard Square.