A fiery sunrise catches a RTD commuter train leaving Denver International Airport, just as a jumbo jet comes in for a landing. The large amount of haze and dust in the air recently is creating som... (more)

The RTD commuter train known as "The Train to the Plane", which travels between Denver International Airport and Denver's downtown Union Station, runs through some of the most scenic pra... (more)

Commuter train RTD 4029 (Hyundai P3 Eagle) crosses over Pena Boulevard as it leaves Denver International Airport. It will arrive 20 minutes later in Downtown Denver at Union Station.

RTD 4044 (Hyundai Eagle P3) leads a commuter train from Denver International Airport to downtown Denver, ultimately stopping at Union Station which is situated in the heart of the City.

RTD Hyundai-Rotem EMU No. 4035 carries the markers on a two-car B Line train headed to Westminster, departing Denver Union Station on Track 7 on December 18, 2017. A spare train sits on Track 6, t... (more)

A dynamic sunrise catches RTD 4023 as it heads to Arvada in the early dawn.

RTD 4054 (Hyundai P3 Eagle) takes the elevated section over the Union Pacific's North Yard as it heads to Arvada, Colorado.

A RTD (Regional Transportation District) A Line commuter train passes Coors Field, home of the Colorado Rockies major league baseball club, as it approaches the 22nd Street/Park Avenue overpass at... (more)

Now that RTD’s line from Denver Union Station to Wheat Ridge, Colorado, is open, train traffic around DUS can get downright busy. In this view looking up the throat of the station’s trackageâ€... (more)

Commuter rail RTD 4028 (Hyundai Eagle P3) makes the turn on the newly opened G-Line, which connects downtown Denver with the suburbs of Olde Town Arvada, Arvada Ride and Wheat Ridge, Colorado

A RTD A Line electric commuter train to the airport has just met an inbound train just outside Denver Union Station in a view from the 22nd Street overpass in Denver, Colorado, on June 4, 2016. Th... (more)

RTD commuter train #4047 (Hyundai Eagle P3) rounds the corner past the UP 36th Street Yard and will soon arrive at the Rhino Station in north-central Denver.

Denver Union Station is bustling with activity on early evening of February 8, 2019. In the foreground on Track 8, a B-line RTD train waits for departure to Westminster. Track 7 is currently vacan... (more)

RTD's commuter train to Westminster passes in front of a golden sunrise.

RTD light rail #284 runs along the main freight line through Denver, passing a northbound empty coal train and southbound loaded coal train as it crosses the Cherry Creek bridge.