Tooele County, Utah Dugway Proving Ground in Tooele County. The county's western portion is home to the Bonneville Salt Flats, traversed by Interstate 80 and the Wendover Cut-off, the former routing of the Victory Highway. According to the U.S. Census Bureau, the county has a total area of , of which is land and (4.7%) is water. Covering vast amounts of the Great Salt Lake desert west of Salt Lake Valley, Tooele County is the second largest county in Utah and among the driest. As of the census of 2000, there were 40,735 people, 12,677 households, and 10,128 families residing in the county.
Land speed racing Land speed racing Land speed racing is a form of motorsport. Land speed racing is best known for the efforts to break the absolute land speed record, but it is not limited to specialist vehicles. A record is defined as the speed over a course of fixed length, averaged over two runs (commonly called "passes"). Under current FIA rules, two runs are required in opposite directions within one hour, and a new record mark must exceed the previous one by at least one percent to be validated. Records are set in either the flying kilometre or flying mile. The sport's