The A Line, which runs between Union Station and Denver International Airport, is RTD's most popular rail line.

By charging up battery cars where renewable energy is cheap and delivering the power to where it’s needed, this startup ...

The MTA is beginning the process of replacing its older work trains with newer and more environmentally friendly ones.

I booked a first-class ticket on an Amtrak Acela train, which included perks like meal service and access to the Amtrak Metropolitan Lounge.

Network Rail has released drone footage of Easter track upgrades on the West Coast Main Line, and has also published ...