Dawn is breaking and reflecting off the skyline in downtown Denver, Colorado as a RTD commuter train leaves downtown for Arvada.

RTD commuter train #4022 (Hyundai Eagle P3) heads towards Denver International Airport.

Planes, Trains, and Automobiles. The RTD Commuter Rail A-Line "Train to the Plane" runs towards the terminal at Denver International Airport just as a United Airline Boeing 737 takes ... (more)

RTD's Hyundai Eagle P3 commuter train passes a water tower at sunrise as it heads towards Denver's Union Station.

RTD commuter train 4022 takes to the elevated track as a Canadian Pacific DPU pushes a freight into the Denver Yard.

Commuter RTD train 4022 runs over the North Yard track as it heads towards Arvada, Colorado.

RTD Communter Train #4022 (Hyundai P3Eagle) gives the passengers heading to Denver International Airport a view of the spectacular sunrise developing over the Colorado Front Range.

Commuter train RTD 4022 straddles the sunrise as it heads towards Arvada, Colorado.

A stunning sunrise greeted passengers on RTD's commuter rail 'Train to the Plane' which shuttles passengers from Denver International Airport to Denver's downtown Union Station.

RTD 4022 (Hyundai Eagle P3) leaves Denver Union Station for Denver International Airport just as the California Zephyr is backing into the station. The heavy snow will delay the Zephyr by a coupl... (more)

A low cloud base and a golden sunrise catches RTD commuter train 4022 as it runs from Denver to Arvada, Colorado.

A commuter train prepares to leave Denver's magnificent station as Zephyr passengers board out of site.

The 'Plane to the Train' commuter rail line connects Denver International Airport with Denver Union Station. Its a great and quick way to see Denver if your flying into DIA and staying downtown.