7:36:28 AM. A grayish morning on Altamont Pass as ACE train #5 traverses the Diablo Range, carrying commuters toward the southeast SF Bay area.

Amtrak F40 229 and 348 lead the Talgo Train, along with three SP business cars, westbound over UP's former Western Pacific Altamont Pass line on Oct. 8, 1994. The Talgo cars were on a nationwide p... (more)

The Roseville to San Jose Manifest passes over Altamont Pass road and the former SP right of way as it crosses the Greenville Trestle on its decent of the west slope of Altamont Pass.

Easy tonnage for an SD70M.

California Poppies and the emerald green grass sways in the breeze on a warm Winter morning on Altamont Pass, where a detouring Coast Starlight rumbles East uphill over the Greenville Trestle.

Each spring the UP often deadheads passenger equipment to Omaha that has been stored for the winter in Oakland. The Omaha winters are tough on paint because the paint and the metal react to cold d... (more)

Detouring "Coast Starlight" with iconic windmills above.

Southbound "Coast Starlight" detouring over Altamont Pass on a beautiful spring morning.

The 844 is eastbound approaching the summit of Altamont Pass on the former Western Pacific during its visit to California last year.

Windmills dot the rolling brown hills of Altamont Pass, and six times a day a white, purple, and blue passenger train breaks up the Mars-like scene. ACE 08 runs away from the windmills, that provi... (more)

A detouring IG2OA crests the 1 percent of Altamont Pass, and starts its slow decent towards the East Bay, and eventually Oakland. I began my chase here of Miss Katy, and ended it just six miles do... (more)

The vibrant and colorful trainset of ACE 02 contrasts nicely against the emerald green hills of Altamont Pass, as it heads East towards Stockton.

A lone rebuilt F40PH provides the power for the second Eastbound six car scoot of the day, as it heads toward Tracy, and eventually Stockton.

An ACE train passes over the Greenville bridge as they head west downgrade for the town of Livermore.

This day's LW51 local from Stockton to Milpitas had a couple of visitors in its power consist. The train is seen crossing the former WP bridge at the west end of Altamont Pass.