AMTRAK, EMPIRE BUILDER, at the start of the "Rainbow era" so called because nothing matched. Worse, the geniuses the government brought in to teach the railroads how to run a passenger train didn't know they didn't match either. The hoses and cords didn't match either, the, electrical, steam, signal and any other lines couldn't be connected between cars. To an airline guy a coach is a coach is a coach, to a railroader it's MY COACH and YOUR COACH. Thus Amtrak ran trains at -32 in NE and +120 in AZ. GREAT START BOYS.
PHOTO BY DAVE HAWLEY VIA FLICKR