2 more brand new tier4's on there first revenue trip pass West Colton at Pepper Ave.
Nearing Beaumont, the ZLCAI is just about done with it's climb out of Southern California and will soon be rolling down grade to the low desert.
KCS and NS power on found on the ZLCAI as it works up Beaumont Hill.
UP's hot eastbound ZLCAI works up Beaumont Hill with 4 NS units.
UP 7393 leads 4 NS units on this Los Angeles to Atlanta Z.