Speed limits in the United States by jurisdiction 2013) to place more zones on rural parts of I-15, I-80 and I-84. The areas under consideration, UDOT spokesman said, are on I-80 from Grantsville (exit 99) to Wendover, on the Utah-Nevada border; I-84 from Tremonton to the Utah-Idaho border; I-15 from Brigham City (North interchange) to the Utah-Idaho border; and I-15 from Santaquin to North Leeds." The speed limit on these sections has been increased from 80 mph as of September 17, 2013. On February 13, 2014, UDOT voted to increase the speed limit on I-80 from Salt Lake City across the Bonneville Salt Flats to the Nevada border
Pioneer 1 (land speed racer) making it eligible for "FIA" Class 1 ( and under). It was claimed to have set a Class 1 record of for the measured kilometer at the Baskunchak dry salt lake, and was the first Soviet land speed racer to exceed . In 1962, the power of the engines was increased to , while weight rose to . The improved car raised the Class 1 and Soviet national records for the measured kilometer to . In 1963, Tikhomirov modified "Pioneer 1" even further, to create "Pioneer 2M". Pioneer 1 (land speed racer) Pioneer 1 is a Soviet "FIA" Group VII