A hi-rail vehicle stops to watch as the 2012 BNSF Christmas Train passes by, taking children from local hospitals on a ride with Santa and Mrs. Claus.

A westbound BNSF stack train passes through Fullerton on a warm but breezy afternoon.

Looking incredibly small against the backdrop of the mountains, an eastbound BNSF manifest approaches Mojave on a crisp late-summer morning.

The first eastbound Metrolink in the San Bernardino Line Sunday schedule approaches the Claremont station, passing through a section of track lined by trees and other greenery. In the background, ... (more)

Amtrak Pacific Surfliner train 782 flies around the curve at Buena Park at 70mph as it heads away from the sunset towards San Diego.

BNSF 7717 leads a westbound manifest through Fullerton.

UP 2728 leads a manifest through Bealville as it makes its way through the Tehachapi Pass.

Santa Fe #3751 basks in the morning sunlight before departing Los Angeles with a San Bernardino Railroad Days-bound excursion train.

A Los Angeles-bound Metrolink arrives Fullerton during the evening rush.

As the sun dips below the horizon, eastbound Metrolink train 328 to San Bernardino passes CP Cambridge in Claremont with tired commuters on board heading home on a Friday evening.

You wouldn't know it was the middle of winter on this sunny Southern California day in mid-January. Amtrak Pacific Surfiner train 768 pulls into the palm tree-lined platform in Fullerton as... (more)

Leaning in to the curve just west of the Buena Park Metrolink station, Amtrak F59PHI #450 leads its southbound Pacific Surfliner train towards San Diego.

With the remnants of a derailed tank car in the foreground, UP 5372 leads its train around one of the many curves in and around Tehachapi Pass.

A Stadler FLIRT DMU for Metrolink's Arrow service passes under the palm trees at the newly constructed Redlands - Downtown station. At the current time, the DMUs operate exclusively on the nine-mi... (more)

Sound Transit F59PHI #908 leads a Lakewood-bound train into the Tacoma Dome station as it catches the last bit of sunlight before storm clouds in the background cover the whole sky. Within minutes... (more)