A dynamic sunrise greets the riders of the RTD commuter train that runs between Denver and Arvada, Colorado.

RTD 4024 (Hyundai P3) runs west just as the morning sun is rising in the distance.

RTD 4024 (Hyundai Eagle P3) races the sunrise as it runs west from Denver International Airport towards downtown Denver, Colorado.

Commuter train RTD 4024 makes a run on the B line between Denver's Union Station and Westminster, Colorado.

The "Train to the Plane", RTD's commuter rail connection between Denver International Airport and Denver's Union Station, leaves the newly opened platform. The rail line runs past the U... (more)