Cajon Pass - Palmdale Cutoff ... The Palmdale cutoff is the Union Pacific's right of way that starts in Mojave, California and extends south through Palmdale and Lancaster and then meets up with the BNSF line near Summit and then follows the BNSF line down Cajon Pass and cuts over to West Colton were it meets up at the West Colton Yard.

UP 5783 dragging a mixed manifest up the grade heading towards Swarthout Canyon.

UP 5796 heading towards West Colton Yard on the Palmdale Cutoff. Seen here running parallel to the BNSF row near Verdemont.

UP 4687 and 6 other engines bringing a Herzog train down the Cajon Pass on the Palmdale cutoff.

UP 4687 and 6 other engines bringing a Herzog train down the Cajon Pass on the Palmdale cutoff.

UP 4687 leads the train into the sun for this black and white image of the engines.