Engineers are investigating what caused a safety feature to fail after a train between concourses at the Denver International Airport ran with doors open earlier this week.

Denver's A Line commuter rail marks its 10th anniversary, having transported over 59 million passengers between Union Station ...

Travelers at DIA faced delays boarding concourse trains due to overnight maintenance, with long waits reported as service ...

DENVER (KDVR) — Travelers at the Denver International Airport experienced delays getting around the concourses on Friday morning due to a brief train issue. Full service has been restored. The Denver ...

A Lexus SUV parked on tracks used by RTD's commuter rail trains has significantly delayed train service from Union Station, ...

RTD says over the last 10 years, more than 59 million people have taken a ride on the A Line that runs from Union Station to ...

Denver Airport travelers faced crowds and delays as a power outage affected the international transit hub on Wednesday, March ...