Completed Work
The first phase focused on restoring critical double track capacity and upgrading essential rail systems, setting the stage for expanded service and reliability.
- Double track restored between Meriden and Newington
- Signal Systems upgraded and fiber optic cables installed
- Environmental documentation and Right-of-Way coordination completed
Total cost: $123.1 million ($40 million federal, $83.1 million state)
Building on the initial groundwork, Phase 2 delivered new stations and further track upgrades, improving both accessibility and operational efficiency.
- Double tracking completed from Wallingford to Meriden and West Hartford
- Wetland mitigation site built in Windsor
- Public grade crossings upgraded in Wallingford and Meriden
Total cost: $322.9 million ($120.9 million federal, $202 million state)

This phase focused on expanding double track segments and modernizing rail infrastructure in the Hartford area, enabling more frequent and reliable service.
- Double tracking completed from Hartford Yard to Windsor
- Interlockings modernized to support improved train movements
- Public and private grade crossings upgraded for safety and efficiency
Total cost: $120.3 million ($30 million federal, $90.3 million state)
Future Improvements
In Design or Under Construction Improvements
State Project No. 0165-0512 Route 159 Utility Relocation and Roadway Improvements, Windsor Locks
The purpose of this project is to relocate a line of existing utility poles on the east side of Route 159 to the west side of the roadway. This will allow for the realignment of the existing track of the Hartford Line and the installation of a second track to support increased train service. The project also includes relocation of an existing traffic signal mast, curb, and sidewalk improvements and roadway safety improvements.
To learn more, view the Public Information Meeting Presentation and Meeting minutes here.
State Project No. 0320-0008 Phase 3B Double Track in Windsor and Windsor Locks
The purpose of this project is to improve safety and capacity for the Amtrak Hartford Line corridor by establishing a double track from Windsor to Windsor Locks.

State Project No. 0320-0008 Phase 3B Double Track in West Hartford and Hartford
The purpose of this project is to improve safety and capacity for the Amtrak Hartford Line corridor by establishing a double track from West Hartford to Hartford.

State Project No. 0320-0008 Phase 3B Double Track in Enfield
The purpose of this project is to improve safety and capacity for the Amtrak Hartford Line corridor by establishing a double track in Enfield.
Learn about more planned improvements on the Phased Development page.
