Interstate 80 in Utah The freeway enters Utah from Nevada in the city of Wendover on the edge of the Bonneville Salt Flats. The cities of West Wendover, Nevada and Wendover are accessible by I-80's only business loop in Utah, whose interchange is just south of Danger Cave. The highway closely follows the historical routes of the Wendover Cutoff, the Victory Highway, and of the ex-Western Pacific Railroad's Feather River Route (now part of the Union Pacific Railroad Central Corridor) across the salt flats and the larger Great Salt Lake Desert. Bonneville Speedway, home to many land speed records, is accessible from I-80. In
Salt Lake County, Utah Salt Lake County, Utah Salt Lake County is a county located in the U.S. state of Utah. As of the 2010 census, the population was 1,029,655, making it the most populous county in Utah. Its county seat and largest city is Salt Lake City, the state capital. The county was created in 1850. Salt Lake County occupies the Salt Lake Valley, as well as parts of the surrounding mountains, the Oquirrh Mountains to the west and the Wasatch Range to the east (essentially the entire Jordan River watershed north of the Traverse Mountains). In addition, the northwestern section of the