Final bids for the next MBTA commuter rail contract are due Monday, September 28, 2026, as the transit agency prepares to award what could become the largest operating deal in Massachusetts history when Keolis’s current run ends in June 2027.
Part of our Boston News coverage — read the full guide: Boston Transportation and MBTA Guide.
According to reporting by the Boston Globe, three shortlisted teams are competing for a nine-year base contract (with option years) to operate and maintain the regional rail network. The MBTA aims to pick a winner by year’s end so the next operator can mobilize before the June 30, 2027 handoff.
Who Is Bidding on the MBTA Commuter Rail Contract
Incumbent Keolis Commuter Services, which has run the system since 2014, is teaming with Alstom Transport USA. A second group branded Mass Regional Rail pairs Boston-based Alternate Concepts Inc.—linked to former T general manager Jim O’Leary—with Herzog’s TransitAmerica unit and French operator RATP Dev. The third bidder, Bay State Rail, joins Transport UK with Transdev, which also contracts for Boston Public Schools bus service.
Spokespeople for the three teams have declined detailed comment while bidding is open, the Globe reported. The competition follows a two-step procurement that began with a 2025 request for qualifications and an RFP issued to the shortlist in December 2025, as previously outlined by WBUR.
Why Costs Could Climb Above $10 Billion
Keolis’s original deal was framed around roughly $4.2 billion over a maximum 12-year path; payments through June 2025 alone totaled about $5.2 billion, the Globe found, before the most recent fiscal year’s still-finalizing totals. MBTA Advisory Board executive director Brian Kane has estimated the next package could top $10 billion once wages, maintenance, and capital support are stacked.
Union wage steps already scheduled for June 2027—just before the new operator takes over—plus bidder pledges on fair wages and sick time add pressure. The T has also ordered 163 new commuter rail cars and continues Fairmount Line electrification planning, initiatives that sit alongside the operating award rather than inside a single sticker price.
What Greater Boston Riders Should Watch Next
Commuters already navigating the MBTA Green Line core shutdown through Oct. 4 will not see an immediate schedule change from Monday’s bid deadline. The practical stakes arrive later: who runs trains from North and South Station, how disruptions are staffed, and whether service quality holds as the region layers other T policies such as free fares for car-free seniors starting Oct. 13.
Fairmount Line communities—recently in local news after a Hyde Park fatal shooting near the Fairmount tracks—have a particular interest in which operator inherits electrification and station-area commitments. Until the board awards the contract, riders should treat Monday’s deadline as a procurement milestone, not a timetable rewrite, and keep watching T-Alerts for day-to-day service.
Background: The three shortlisted teams, according to the MBTA, are Keolis–Alstom JV Partners; Mass Regional Rail, made up of Alternate Concepts, TransitAmerica/Herzog and RATP Dev; and Transdev North America with Transport UK. The T has said it plans to pick a preferred proposer by the end of 2026, ahead of the June 30, 2027, expiration of the current Keolis agreement.
Sources
- Boston Globe: MBTA commuter rail contract and Keolis
- MBTA: Three qualified teams shortlisted to operate commuter rail
- Boston Globe: Meet the companies competing to run commuter rail
- WBUR: MBTA shortlists three commuter rail operators
Further Reading
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