WASHINGTON, October 28, 2026 – Dust, heavy machinery, and round-the-clock labor inside Washington’s First Street Tunnel have finally settled.
The country’s passenger rail system finished its major “Pause for Progress” construction phase, which resulted in the complete train service resumption south of Washington Union Station. The temporary closure took place from October 16 to October 26 within a designated service window, and while this may seem inconvenient for the locals, officials argue that the future rewards will be worth all the inconveniences.
This is especially important since A-Interlocking is the main gateway for all trains traveling between Washington, D.C. and Virginia.
Over the years, old parts in the First Street Tunnel were causing operational issues on a consistent basis. Instead of drawing out the process with a long series of night-time operations and track outages on the weekends, the project planners opted to get straight to the point. The construction crews worked a total of 13,300 hours each day until the task was completed.
The magnitude of the project was significant. The track crews installed seven major pieces of track equipment, including eight electric switch machines, two double slip switches, and one crossing diamond, as well as fully reconstructing 350 feet of track and tunnel base. This also entailed laying 550 tons of ballast along with 1,000 feet of rail and 215 ties, and replacing 2,500 feet of electrical and signal cable.
“This concentrated construction period allowed our teams to make significant improvements to critical infrastructure while limiting the amount of time it was out of service,” noted Amtrak Executive Vice President of Strategy and Planning Jennifer Mitchell.
In the duration of the shutdown, travelers will experience temporary changes in service and connections via bus from Alexandria to D.C., although the regional transportation partners have hailed the logistics needed to make it happen. “DJ Stadtler, Virginia Passenger Rail Authority Executive Director, thanked the travellers while their crews did what was considered the most important task for regional connection on the East Coast corridor,” according to Amtrak’s news release.
The resumption of the regular service prior to the busy holiday travel time promises better reliability, enhanced safety protocols, and smoother operation at the chokepoint area. For more information, visit the Amtrak Official Release and Amtrak.com.














