The next-generation trains, part of a $2.45 billion upgrade, can reach 160 miles an hour but are limited by the railroad’s aging infrastructure.

Amtrak's new Acela trains launched along the northeast corridor this week, making their first stops in Baltimore Thursday.

Here’s a closer look at how Amtrak determines when to retire a train and where it ends up after it has been replaced.

Amtrak’s brand new, state-of-the-art high-speed trains officially launched, but there’s a catch—they don’t actually run any faster than the old ones yet. Two of the five next-generation Acela trains ...

Amtrak will launch the first of its new Avelia Liberty trains for riders along the Northeast Corridor just before 6 a.m. from Boston’s South Station, snaking down the coast through New York, before ...