A 36-hour late Tropicana heads through the reverse curves at El Casco in San Timeteo Canyon.

UP 7443 and 2 SD60's lead this eastbound general freight upgrade as the train enters San Timoteo Canyon.

UP's ZG4CI drops into the sunny San Timoteo canyon, after passing through a drenching storm a few miles prior (seen in the background)

Note the summit of San Gorgonio Mountain, Southern California's tallest, peaking into the extreme left of the frame.

UP 8196 leads a short West Colton to Dallas manifest through Redlands as it enters San Timoteo Canyon.

Looking about as unprofessional as you can get with jumbled up front numberboards and spray painted SP initials on the nose, SP 7465 still gets the job done as seen here heading down Beaumont Hill... (more)

A long string of doublestack containers moves towards its destination with the help of a SD70ACe and SD70M, plus a SD70ACe on the back (not pictured).

Dropping out of San Timoteo Canyon at Redlands, CSX power leads this westbound at the Beaumont Ave crossing.

CSX pool power exits San Timoteo Canyon at Redlands and is just miles away from a crew change at West Colton.

Eastbound cruising through San Timoteo Canyon on a beautiful Friday afternoon.

Eastbound in San Timoteo Canyon.

Western Pacific heritage unit 1983 leads a West Colton to Tucson manifest up grade into San Timoteo Canyon at Redlands.

Tunnel Motor #8506 leads a mixed-freight consist up Beaumont Hill.

Even with 5 motors up front, the "Tucson" struggles uphill while winding it's way through San Timoteo Canyon in the late afternoon.

The day after Christmas rush is under way in San Timoteo Canyon, as trains begin to roll after being tied down for the holiday.