"History will be made with the debut of NextGen Acela as we launch a new standard for American train travel," Amtrak said.

Amtrak announced its new Acela trains will begin revenue service on Aug. 28, with all 28 of the new sets expected to be carrying passengers by the end of 2027.

Amtrak's redesigned Acela high-speed trains will debut Aug. 28 at 30th Street Station in Philadelphia and the rest of the Boston-to-D.C. corridor. Why it matters: The new trains boast faster speeds, ...