Learn more about how to nevigate through Back Bay Station during construction:

Access to at least one entrance/exit on both Clarendon Street and Dartmouth Street will be maintained throughout construction.

Elevator access will also be maintained at all times.

Current Impacts

• Customers will notice work zones being established in June 2025, but no impacts to stairways or entrances/exits are anticipated until mid-July 2025.

Future Impacts:

• Mid-July 2025: The two sets of stairs and escalators between the Orange Line platforms and concourse level will intermittently close. One will remain open at all times throughout construction.

• September 2025: One entrance/exit on Clarendon Street will be closed during Phase 1. Additional details will be announced.

• October 2025: The new bike cage outside the station at the Clarendon Street entrance will open. Access to the existing bike cage inside the station will be maintained until the new one is available for use.