sentences:  The business routes, here named Pilot Butte Avenue, rejoin I-80 and US 30 on the east side of the city.I-80 and US 30 continue east from Rock Springs parallel to the Union Pacific's Rawlins Subdivision and Bitter Creek.The Interstate has interchanges with WYO 370, which leads south to Rock Springs–Sweetwater County Airport; and WYO 371, which heads north toward Superior; and WYO 372 at Point of Rocks.