Amtrak Boston Southampton Rail Yard: Fleet Modernization & Airo Trainsets
Amtrak begins construction of a new $583 million train maintenance facility at Southampton Rail Yard, supporting fleet modernization and Airo trainsets by 2029.

Introduction
On November 6, Amtrak and project partners commenced construction of a new train maintenance facility and related upgrades at the Boston Southampton Rail Yard. The project, budgeted at $583 million, is part of a larger fleet modernization plan and is scheduled for phased completion throughout 2029.
Upgrades at Southampton Rail Yard
The new facility at the Southampton Rail Yard will support the introduction of the new Airo trainsets. The upgrades are part of Amtrak’s fleet modernization plan, which encompasses over 20 rail yard and facility enhancements across routes designated for the new Airo trainsets.
Project Scope and Timeline
The Southampton Rail Yard project is anticipated to be completed in phases, with the entire facility scheduled for completion by the end of 2029. The facility will service Airo trainsets on the Northeast Regional route between Boston and Washington, D.C., as well as the Amtrak Downeaster route between Boston and Brunswick, Maine. Furthermore, it will accommodate Amtrak’s Acela and long-distance trains that operate from the Southampton yard.
Fleet Modernization Program
The $583 million project at Southampton Yard is a component of a larger modernization program that includes over 20 rail yard and facility improvements across routes where the new Airo trainsets will be deployed.
Strategic Importance
The Southampton Yard project is the fourth in the program to begin construction, succeeding similar projects in Philadelphia, Seattle, and Washington, D.C.
Conclusion
Amtrak’s new train maintenance facility at the Boston Southampton Rail Yard is part of a broader fleet modernization initiative, with completion expected by 2029. The facility, costing $583 million, is designed to support the new Airo trainsets and other Amtrak services.
Company Summary
Amtrak: Amtrak is the primary passenger railroad service in the United States, operating intercity services across the country.
