sentences:  I-80 connects Cheyenne, Wyoming's capital and largest city, with several smaller cities along the southern tier of Wyoming, including Evanston, Green River, Rock Springs, Rawlins, and Laramie.The highway also connects those cities with Salt Lake City to the west and Omaha to the east.In Cheyenne, I-80 intersects I-25 and has Wyoming's only auxiliary Interstate, I-180.