109

Alerts

• Service Change Ongoing

  Route 109 has been permanently extended past Sullivan Square to Harvard Square. This extension of Route 109 replaces Route 86 on Washington Street between Sullivan and Harvard. Learn more: MBTA.com/109
  

  • Service has been increased to every 15 minutes or better every day during service hours as Route 109 has been upgraded to a Frequent Bus Route.
  • Service runs from 4:55 AM to 1:22 AM weekdays, and 5 AM to 1:20 AM on weekends.
  • It continues to run from Linden Square to Sullivan Square, and has been extended south past Sullivan to Harvard. This extension of Route 109 replaces the existing Route 86 on Washington Street between Sullivan Square and Harvard Square.
  • This extended route provides a new direct connection from Everett to the Green Line in Somerville and the Red Line at Harvard Square.

  Updated: 1/14/2025 11:37 AM EST
• Stop Move Upcoming

  The Sullivan Square upper busway will be closed due to bridge work from 8:30 PM to the end of service, Jan. 17-20. Please board all buses on the lower level.
  Affected routes:
  CT2
  89
  90
  91
  92
  93
  95
  101
  104
  105
  109

  Updated: 1/15/2025 2:05 PM EST