BNSF 3826 leads a hot southbound Z on the approach to the Tehachapi Loop at Walong.
The hot North Bay to Willow Springs UPS train marches up Tehachapi Pass at Tunnel 2.
BNSF 6147 leads a hot ZNBYWSP thru Kingman as it works upgrade at Slaughter House Canyon.
A 20 degree morning at Hackberry finds BNSF 8589 leading a ZNBYWSP 25 miles east of Kingman, AZ.