Riverside International Raceway

.Riverside International Raceway (Sometimes known as RIR or Riverside Raceway) was a race track or road course in Riverside, California. The track was in operation from September 22, 1957, to July 2, 1989. The original course design proved to be dangerous, and it was partially reconfigured in 1969.The track was built to accommodate several different races. By closing off certain sections of the