Overview
- Service is paused Dec. 8–22 between North Station and Babcock Street on the B branch, Kenmore on the C and D branches, and Heath Street on the E branch.
- Free shuttles operate to Back Bay for Orange Line transfers, and riders have commuter rail options with free Worcester Line fares between South Station and Lansdowne.
- Green Line service continues between North Station and Union Square and Medford/Tufts during the closure.
- The work focuses on replacing wooden overhead troughs and catenary wire dating to the 1880s, with additional signal modernization, tunnel inspections, and station brightening.
- MBTA leaders say installing the Green Line Train Protection System will reduce collision risk through speed enforcement and help restore reliability to attract riders.