>>1752145>Railroads add more sidings and double main. There's no reason to load up the HPT on any train to get over the ruling grade at max track speed and then have a bunch of diesels you don't need for the rest of the trip.This is american thinking in a nutshell. Locomotives are paid per ton, not power and you can cram a boatload of power into a single locomotive. It has been done. In america. Imagine that.