RTD commuter train #4057 (Hyundai Eagle P3) runs past the yard of the BNSF engine servicing facility in Denver, Colorado.

Denver RTD's commuter train #4057 runs past the 36th Street Yard, giving riders a great view of the large yard in central Denver.

During a cold autumn rain in Denver, Colorado, on the evening of November 7, 2017, an A Line RTD commuter train from the airport arrives at Denver Union Station.