Amtrak is introducing five of its 28 planned new NextGen Acela trains on Thursday, signaling the next step of America's attempt at high-speed rail.

Rail passengers in the nation's Northeast Corridor can travel aboard Amtrak's NextGen Acela high-speed rail service that launched on Wednesday morning.

Amtrak’s long-awaited NextGen Acela trains debut this week with faster top speeds, upgraded seating, improved accessibility and modern amenities.