auto club speedway (formerly called california speedway) is a , low-banked d-shaped oval superspeedway which had hosted nascar races since 1997, it was also used for open wheel racing events, the speedway is located near the former locations of ontario motor speedway and riverside international raceway, the track is owned by international speedway corporation. the speedway is served by the nearby interstate 10 and interstate 15 freeways as well as metrolink station located by the backstretch.