UP 7189 along with a CN unit bring up the rear of a fast moving westbound Z at El Casco.

Union Pacific GP40P-2 1375, the former Southern Pacific 7602, originally SP 3199) is one of just three GP40P-2s built by General Motors Electro-Motive Division – all for the SP. Purchased as pa... (more)

Rounding the curve at the top of Pitas Point at the County Park of Faria, Union Pacific AC4400CW No. 6884 basks in the last of the Sunset.

Yard power moves past one of the crew members to clear the switches after spotting a consist of freight cars. They made a reverse move to head back to the classification yard after the switches w... (more)

Idling away in the Union Pacific’s former Western Pacific yard in Oakland are UP SD40-2 3373 (built 3/77) and UP SD40-2 3916 (ex-MP 6016; née-MP 3232; built 8/76). Before long, these locomotiv... (more)

UP 3093 leads a fast moving westbound Z down Beaumont Hill.

Southern Pacific GP9 3403 (ex-SP subsidiary Texas & New Orleans 403) and GP9E 3370 (ex-SP GP9 3556, née-TNO 434) back into an industrial complex to drop off some box cars as SP's Huntington Be... (more)

UP 7370 leads a train out of the Union Pacific departure yard at West Colton. The train is heading out to the main line leading to the Palmdale cut-off and up Cajon Pass.

UP 1572 leads a consist of yard power as it works in the Union Pacific West Colton Yard.

UP waits for arrival of other UP for running on the Loop.

The afternoon sun glints off the flanks of an Eastbound intermodal train near Sandcut.

EMD 645s and smoke belching tunnels. Exhaust erupts from Tunnel 5 as the mid-train helpers provide 12,000 horsepower to assist the daily "Oil Can" train as it struggles upgrade through ... (more)

UP 5459 grinds upgrade towards Walong.

With a friendly wave from the Conductor, EMDX 7021 rolls through Caliente.

SP 8307 eases a Westbound manifest around the horseshoe curve at Caliente.