Fresh UP paint brings up the rear of the West Colton to North Platte manifest as it works up Cajon Pass at Sullivan's Curve.

UP's MWCNP 17 arrives at North Yard in Salt Lake City on Aug. 18, 2013. Note the Positive Train Control installation at signal 7849 on Main Track 3.

UP's North Yard shop truck provides assistance to the MWCNP while stopped for a crew change and a car pickup in Salt Lake City.

A West Colton, CA to North Platte, NE manifest snakes east through Erda along the foothills of Utah's Oquirrh Mountains.