With the Joshua trees looking on BNSF 4321 shoves hard on the rear of the 100 car BARVAW as it nears Warren.
BNSF 4321 brings up the rear or BNSF's Barstow, CA - Vancouver, WA manifest.
BNSF 4321 assists the BARVAW's downhill crawl.
A westbound descends the pass as a UP light power move approaches the Silverwood Connector.
An express Metra quickly overtakes a BNSF Z-train departing Clyde Yard for the Pacific Northwest.
Note the paint on the first 2 units, 1 patched ,1 burnt