Three SD40-2s lead a Z train south on the Shasta Route. Typical for the period, they started life on three different railroads - C&NW, D&RGW, and UP.
CNW 6931 leads a westbound through the fog and haze in 1979.
The white writting above the left 3 hoses says:"If you can read this, you're following too close".
CSXT Northbound Military Train at Miles, Al. on CSXT'S M&M Sub with a CNW SD40-2 leading an SSW B40-8 & an SP SD40T-2