UP 5734 (AC4400CW-CTE) runs through Tunnel #29 at Pinecliffe, Colorado as it leads a rail train east on the Moffat Tunnel Sub.

UP 5734 (AC4400CW-CTE) heads into Tunnel #29 at Pinecliffe, Colorado as it heads east on the Moffat Tunnel Sub.

Westbound symbol ZG2LC heads into San Timoteo Canyon at El Casco.

UP's San Antonio, TX to Long Beach, CA Intermodal heads west behind a newer rebuild #5734.

UP 5734 leads an unusual GE-EMD-GE-EMD lash-up on a Westbound coal empty in the siding at Rollinsville

UP 5734 has just rounded the loop