RTD light rail trains derailed a record seven times last year and causes, such as wheel failure, often remain secret. A new law makes investigations public.

You lose your faith and hope of taking public transit,” one RTD rider says. “They have all this infrastructure in place. It ...

Some business and community leaders in Denver's Five Points neighborhood want RTD to remove its light rail line along Welton ...

One person was killed when a vehicle drove off the overpass at the I-25 and C-470 interchange south of the Denver metro area and then was struck by a light rail train early Tuesday morning.

The Parade of Lights, which begins at 6 p.m. on Saturday, will shut down or detour the Regional Transportation District’s light rails and bus routes in downtown Denver between 3 p.m. and 9:30 p ...