A train collision with a semi truck at the Sable Boulevard crossing caused a disruption for many travelers on RTD's A Line on ...

Video obtained by FOX31 shows that the rail safety arms for the crossing near Smith and Sable may not have been engaged ...

New video shows an RTD A Line train colliding with a semi truck, injuring two people, as the investigation continues.

The commuter train hit a semitruck on Monday near the intersection of Smith Road and Sable Boulevard in Aurora. The route takes passengers between downtown Denver.

A Regional Transportation District A Line commuter rail train collided with a semitrailer in Aurora on its way to Denver ...

A Regional Transportation District train and a tractor-trailer collided in Aurora on Monday, temporarily shutting down RTD’s ...

RTD said that A Line service has resumed after a collision Monday morning shut down the line for several hours.

The A Line train resumed service Monday afternoon after a morning crash near Central Park involving a semitruck closed the ...

RTD announces a safety drill affecting Aurora's R Line service, advising travelers to expect disruptions and use alternative ...

FILE PHOTO: Crews look over one section of a RTD light-rail train that derailed at the intersection of East Exposition Avenue and South Sable Boulevard on Wednesday, Sept. 21, in Aurora, Colo ...

RTD blamed both derailments on operators who were driving too fast. In the most recent, in September 2022, the train was traveling at nearly 39 mph in a 10 mph zone when it derailed.