Landforms and Seasons on Maps And Should Effect Speed and Production

There is a Continental Divide in the western part of the U.S. and it is very tough to cross. That should take more time. The Appalachians in the East should also be difficult. The Plains could be fast for tanks except for in the Spring when it is is crazy muddy. The tanks would be completely full of clay. Summer time everyone fights, but in a winter season people in Northern Climate get an advantage and things slow down. The South might get production advantages? Just some thoughts.