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Green Line B Branch Station Consolidation

Updated on May 30, 2019

Rendering of the proposed Boston University stop

About the Project

  • Timeline: 2017 – 2021
  • Status: Final Design


Four B Line stops along Commonwealth Ave will be consolidated into 2 stops, with construction planned to begin in winter 2019/2020. The project is being done in coordination with MassDOT’s Commonwealth Avenue Phase 2A project and the Commonwealth Avenue Bridge Replacement project.

Project Features

  • The consolidation of St. Paul St and BU West stations
  • The consolidation of Babcock St and Pleasant St stations
  • Updated fare collection machines
  • Longer, 225-foot platforms for 3-car train sets
  • Accessible level boarding at both stations
  • 2 accessible exits at both stations
  • Security and reliability upgrades to trains and stations


  • Faster, more reliable transportation along Commonwealth Avenue
  • 2 new accessible stations on the Green Line
  • Improved traffic and pedestrian safety in the Boston University neighborhood

Service Alerts

Check Green Line B Branch alerts


Contact Information

For all queries and comments related to Green Line B Branch Station Consolidation, please contact:

Lonny Fidalgo, Project Manager