Northeast Corridor

The Acela ( ; originally the Acela Express until September 2019) is Amtrak's flagship passenger train service along the Northeast Corridor (NEC) in the Northeastern United States between Washington, D.C., and Boston via 13 intermediate stops, including Baltimore, New York City and Philadelphia. Acela trains are the fastest in the Americas, reaching , qualifying as high-speed rail, but only for approximately of the route.

electrified railway line in northeast USA

high-speed trainset operated by Amtrak

Amtrak northeastern U.S. intercity rail service

Amtrak passenger train in the northeast United States

commuter rail line in New York and Connecticut

commuter rail line in Connecticut