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
Land speed record a speed of 91 mph (146.25 km/h) and receiving the sobriquet the "Fastest Girl on Earth". She drove a six-cylinder Napier motorcar, a 100 hp (74.6 kW) development of the K5, in a speed trial in Blackpool. A subsequent record was held by Lee Breedlove, the wife of Craig Breedlove, who piloted her husband's "Spirit of America - Sonic 1" to a record of in 1965, making her the fastest woman alive, . According to author Rachel Kushner, Craig Breedlove had talked Lee into taking the car out for a record attempt in order to monopolize the salt flats for