BVE (and now openBVE also) is a free train driving simulation.
This route is based on my home in Virginia.Locations and many objects are
on the route,but it's fictional.You can drive in daylight or at dusk.               Screenshots 

Downloads:
Blueridge1_2-full.zip  Day and dusk route;for BVE2.6,BVE4,openBVE 

F40PH-2.6.zip For BVE 2.6 Usable in BVE4 and openBVE

F40PH-objects.zip Loco,coalcar,and coach for use as objects in openBVE.Put files into F40PH folder and read Readme