Auto Club Speedway

Auto Club Speedway (known as California Speedway before and after the 2008–2023 corporate sponsorship by the Automobile Club of Southern California) was a 2.000 mi (3.219 km), D-shaped oval superspeedway in unincorporated San Bernardino County, California, United States, near Fontana. It hosted National Association for Stock Car Auto Racing (NASCAR) racing annually from 1997 until 2023. It was also previously used for open wheel racing events. The racetrack was located 47 mi (76 km) east of Los Angeles and was near the former locations of Ontario Motor Speedway and Riverside International Raceway. The track was last owned and operated by NASCAR. The speedway was served by the nearby Interstates 10 and 15 as well as a Metrolink station located behind the backstretch. Construction of the track, on the site of the former Kaiser Steel Mill, began in 1995 and was completed in late 1996. The speedway's main grandstand had a capacity of 68,000. Additionally it featured 28 skyboxes and had a total capacity of 122,000. In 2006, a fanzone was added behind the main grandstand. Lights were added to the speedway in 2004 with the addition of a second annual NASCAR weekend. From 2011 to 2023, the track hosted only one NASCAR weekend each year. A 500-mile American open-wheel car race was held under Championship Auto Racing Teams sanctioning from 1997 to 2002. The current IndyCar sanctioning bo

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