These states could be a perfect starting place for the first
18WoS game, which physical engine didn’t count any slopes

.
But the level of detail, available in 2002, made the developers start from states with more interesting scenery, also, since there were no blogs, you could not afraid to see a wall of comments like
«— Why my truck don’t slow down at climbs an don’t run faster at descents? Unrealistic!» about Wyoming or Colorado. Today the level of detail is much better, so,
SCS can make any state look good.