They serve different purposes.
VideoboysaysCube posted...
For one, it allowed for the transportation of goods across great distances.
Trains already did that, and generally do a better job of it. As far as freight goes, motorized road vehicles primarily excel at last-mile transport: they have the flexibility to transport goods to a wide variety of locations near freight hubs, while offering much greater power than non-motorized alternatives. Long-haul trucking, however, is an infrastructure failure, mostly stemming from freight companies preferring to be effectively subsidized by using public roads instead of their own rails.