Westbound UP intermodal train using Santa Fe trackage rights beginning the climb up the east approach to Cajon Pass at Frost

Westbound UP intermodal train using Santa Fe trackage rights through Colton.

Westbound UP manifest descending Cajon Pass at Cajon station.

A Union Pacific Utah Statehood Centennial train cools its wheels in downtown Salt Lake City on Jan. 3, 1996.

Eastbound UP hotshot intermodal train descending Cajon Pass from Summit at Lugo

Eastbound UP manifest train on Santa Fe trackage rights Summit

Westbound UP intermodal Summit

Two Centennials and a DD35B provide plenty of power for this merchandise freight passing through Laramie, WY.

Note the 8444 simmering down the track with an excursion special. Year un... (more)

Evening at Las Vegas after a rare rain fall

Something is not quite right with the 6936.

UP 6922 enjoys it's retirement by sitting on display at Cody Park in North Platte, NE.

After over three years in mothballs, the majority of Union Pacific's Centennial fleet was reactivated in early 1984. For a little over a year they roamed the system until their final retirement. H... (more)

While it really doesn't 'belong' on the Rio Grande, you can't help but stare in awe at the 6936.

Westbound UP Bartolo Jct Pico Rivera

UP Centennial at the ex-WP Oakland facilities.