Bonneville Salt Flats Bill Rishel and two local businessmen tested the suitability of the salt for driving on by taking a Pierce-Arrow onto the surface of the flats. A railway line across the Bonneville Salt Flats was completed in 1910, marking the first permanent crossing. The first land speed record was set there in 1914 by Teddy Tetzlaff. Entertainment filmed at the salt flats include portions of "Knight Rider", "Warlock", "Independence Day" (1996) and , "SLC Punk", "Cremaster 2" from "Cremaster Cycle", "The Brown Bunny", "The World's Fastest Indian", "Gerry", "The Tree of Life", "Top Gear", "" and "". Furthermore, the Pontiac Bonneville
Triumph Engineering for their latest motorbike. By the mid-1920s Triumph had become one of Britain's main motorcycle and car makers, with a plant capable of producing as many as 30,000 motorcycles and cars each year. Triumph also found its bicycles demanded overseas, and export sales became a primary source of the company's revenues, although for the United States, Triumph models were manufactured by licence. The company's first automotive success was the Super Seven model, which debuted in 1928. Soon after, the Super Eight model was developed. When the Great Depression began in 1929, Triumph sold its German subsidiary as a separate, independently