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)

Switching cars at Union Pacific's Intermodal Container Transfer Facility (ICTF), in Long Beach adjacent to their Dolores Yard, are UP SD40M-2 2664 (for all intents and purposes and SD45) and an SD... (more)

A colorful group of Union Pacific SD70ACe locomotives was found in the railroad's Dolores Yard on this October day: UP 1996 (their Southern Pacific Heritage unit, and the former UP 8523), UP 1988... (more)

In the latter half of 2013 General Electric built a group of EF44AC 4500hp Tier 4 emissions test locomotives, painted blue and sent out to test on several railroads, including (as seen here) Union... (more)

Union Pacific's Dolores Yard often gets off-line motive power off of transcontinental trains that end their runs here, due to the yard's proximity to the Ports of Los Angeles and Long Beach. One ... (more)

Nearly seven years after receiving the red and yellow colors of the proposed Southern Pacific Santa Fe merger, Southern Pacific SD45R 7564 is showing some wear and tear when found in Dolores Yard ... (more)

Transportacion Ferroviaria Mexicana was the Mexican railroad owned by Kansas City Southern and later renamed Kansas City Southern de México. But for a while, TFM’s locomotives were painted in ... (more)

October 14, 1996 - at Dolores Yard in Carson, CA (although I may be over the Compton border for this shot), a pair of speed lettered SP brutes await their next assignment. I was just getting back ... (more)

Union Pacific SD70ACe 8875 was built by General Motors Electro-Motive Division June 2014, just two months prior to this photograph. (Compton, California – August 15, 2014)

Diesels In Dolores. On a typically hazy southern California day, the storage and service tracks at Union Pacific Railroad's Dolores Locomotive Facility in Carson, California are occupied wi... (more)

UP's Powered People specially painted unit leads a Long Beach stack train as it crosses over from the Alameda Corridor onto the UP Dolores Lead on its way to ICTF.

The TR01 yard job switches out an inbound train at ICTF with an SD40N and SD70M for power.

LOG09R returns to Mead Yard from Carson with a clean genset and GP60 as they approach West Thenard.