This was eventually changed to lines down either side, as the center line wore out too quickly. Originally, the straightway was marked with a broad black line down its center. A day before racing begins, the track markers are added.

Surveyors are brought in to survey the timing trap distances.

Days or weeks in advance, the track preparers identify an area best suited for their track layouts and begin grading the tracks. Since the 1990s, track preparations have been the responsibility of the event organizers. Originally, two tracks were prepared a 10 mile long straightway for speed trials and an oval or circular track for distance runs, which was typically between 10 and 12 miles (16 and 19 km) long depending on the condition of the salt surface. The spectacular scenery and racing conditions at Bonneville make it one of the most popular areas in the world for speed.Historically, the speedway was marked out by the Utah Department of Transportation at the start of each summer. The Bonneville Speedway salt flats are located 88 miles west of Salt Lake City, Utah. All vehicles are allowed to run every day, i.e no special days for motorcycles or cars. organize Speed Week, which attracts several hundred drivers to compete to set highest speed in a range of categories.īonneville Speed Week consists of six days of racing, weather and conditions permitting, with entrants from all parts of the globe all seeking the maximum speed out of their vehicle. Every August, the Southern California Timing Association and Bonneville Nationals Inc. Bonneville Speed Week 2011 was held August 13-19 at the famed Bonneville Speedway salt flats in Utah.

Speed week bonneville salt flats