Railway services introduced in 2000

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.

commuter rail in the Seattle, Washington, U.S. metropolitan area

limited express train service between Sapporo and Wakkanai in Hokkaido