RTD of Denver commuter train #4002 (Hynda Eagle P3) spits the catenary structures as it runs between Denver and Arvada, Colorado.

RTD of Denver commuter train #4002 (Hyundai Eagle P3) runs between Denver and Arvada.

RTD of Denver Commuter Train #4002 (Hyundai Eagle P3) leaves Denver and heads towards Arvada, Colorado.

Snow is falling at Denver's Union Station as RTD commuter train #4002 (Hyundai Eagle P3) passes the Winter Park Express Ski Train and heads for Arvada, Colorado.

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)