I pulled into the area that big rigs use to spend the night and broke out the Nikon.
Some are good and some are not that good. It was raining and the camera would focus on the traffic on CA 58 and screw me up a bit.
It turned out to be an empty grain train. A loaded one this length would need at least two or three more locomotives.
I would guess that he was moving at track speed which is 65 mph on the BNSF Mojave Sub.