Many of RTD's commuter rail cars are wrapped with colorful vinyl graphics. Here we see RTD 4056 running along the elevated section that spans the UP's North Yard in Denver.

A dynamic sunrise frames Denver's RTD Westminster commuter train.

RTD's commuter train #4056 leaves Denver Union Station and heads to Westminster, Colorado, a suburb north of Denver.

RTD Commuter train 4056 arrives at Denver's Union Station at the same time as the California Zephyr.