Pulling a string of autoracks along the Union Pacific's Dolores Industrial Lead is Union Pacific SD45 (now dubbed an SD40M-2) 2664, along with a Union Pacific SD40-2. UP 2664 was built by EMD in ... (more)

After sitting in a deadline at Union Pacific's Dolores Yard, Dash 9-44CW 9771 (the former C&NW 8667) was found in a consist awaiting assignment to a train. This locomotive was one of the few on t... (more)

Union Pacific SD70ACe 8809 and SD70M 5117 have coupled on to train KLBG4 11 and will soon depart the railroad's Dolores Yard to their train, which originated in nearby Long Beach, to Elwood, Illin... (more)

As Union Pacific SD40M-2 2725 (ex-SP 8649, ex-MK 959, née-CNW SD45 959) and UP GP40M-2 1533 (ex-SP 7298, née-MKT GP40 175) switch intermodal cars at the railroad's ICTF, a westbound UP intermoda... (more)

Details are still a little sketchy, but on Monday, 12/23/24, Union Pacific ore train OUTS1 (Iron Springs, UT (near Cedar City) to the Los Angeles/Long Beach Harbor) ran through a red signal at Con... (more)

Union Pacific intermodal train IKCLB 26 (Kansas City to Long Beach) has arrived at the railroad's Dolores Yard (essintially Long Beach). Soon the power will cut off and the cars will eventually m... (more)

Upon arrival at the Union Pacific's Dolores Yard from Kansas City MO, UP intermodal train IKCLB 26 set to work breaking its train into smaller parts for unloading at the railroad's Intermodal Cont... (more)

Union Pacific ES44AC 7400 (along with another ES44AC, UP 5442) leads an eastbound intermodal train as it prepares to depart the railroad's Dolores Yard. This locomotive was unveiled four years ea... (more)

CSX Transportation SD40 8413 is the former Chesapeake & Ohio 7562, originally C&O 7462. Now classed as an SD40-2 thanks to some mechanical upgrades, this locomotive was built by EMD as an SD40 in... (more)

Awaiting its next call to duty at Union Pacific Railroad’s Dolores Yard is Kansas City Southern Railway ES44AC 4767. After 2½ years of service, this locomotive (built in November 2011) still l... (more)

Union Pacific GP38-2 609 was built in June 1980 by General Motors Electro-Motive Division as Southern Pacific 4842, and UP SW1500 Y1136 was built by EMD in November 1969 as SP 2552. (Carson Calif... (more)

Union Pacific AC4400CW 6279 shows its heritage as Southern Pacific 248, built by GE in June 1995, and spotted at the UP's Dolores Yard. (Carson, California – October 1, 2008)

A trio of two kind of new and one brand new eSPee AC4400CWs head towards the Wilmington Wye south of Dolores Yard. October 15 1995.

Awaiting its next call to duty at Union Pacific Railroad’s Dolores Yard is Kansas City Southern Railway ES44AC 4767. After 2½ years of service, this locomotive (built in November 2011) still l... (more)

When the British Petroleum (BP Products North America) refinery in Carson was sold to Tesoro Petroleum, their SW1200 switcher, BPOX 458, became Tesoro 001. Built by EMD in February 1959 as Colora... (more)