Following the overlap SH 13 again moves northward, out of town and along the Fortification Creek valley. Here fields, are located along the road, moving northwestward. Eventually, after moving along several miles of road through farmland, the road reaches the Wyoming state line.
SH 13 continues northward, leaving town and traveling along Fortification Creek valley.  Locations are found along the road as it moves northwestward. Eventually, after traveling several miles on a road through farmland, the road reaches the Wyoming state line.