An ACE brings up the rear of a long westbound stack train at Forest Avenue. In the distance, a UP track crew is repairing the switch at the Waxie lead, where the BNSF's line to central Texas cuts ... (more)

This photo illustrates the wide variety of power that one can see at the UP North Yard in Denver. Eagle-eyed viewers will notice 11 different types of power, (not including the MOW vehicles) and... (more)