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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, 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 body ran a 400-mile race from 2002 to 2005 and a 500-mile race from 2012 to 2015, which was usually the season finale. Its last IndyCar race was the 2015 MAVTV 500.
In 2023, the track was closed for reconstruction as part of the Next Gen California project and demolition started in October 2023. However, high costs and other priorities have prevented the project from beginning. NASCAR has since held races in Southern California at Los Angeles Memorial Coliseum with the Busch Clash from 2022 to 2024, and held a street race at Naval Base Coronado in June 2026.
On April 20, 1994, Roger Penske and Kaiser Steel announced the construction of a racetrack on the site of the abandoned Kaiser Steel Mill in Fontana, California. A day after the announcement, Championship Auto Racing Teams (CART) announced it would hold an annual race at the speedway. Three months later NASCAR president Bill France Jr. agreed to sanction NASCAR Cup Series races at the speedway upon completion, marking the first time NASCAR made a commitment to run a race at a track that had yet to be built. Community meetings were held to discuss issues related to the construction of the track and the local effects of events held. The local community largely supported construction of the speedway citing potentially increased land values and rejuvenation of the community. In April 1995, after having toured the sister track Michigan International Speedway, the San Bernardino County Board of Supervisors unanimously approved the project. The California Environmental Protection Agency gave Penske permission to begin construction after Kaiser agreed to pay US$6 million to remove hazardous waste from the site. Construction on the site began on November 22, 1995, with the demolition of the Kaiser Steel Mill. The 100-foot (30 m) water tower, a landmark of the Kaiser property, was preserved in the center of the track to be used as a scoreboard. 3,000 cubic yards (2,300 m3) of contaminated dirt was removed and transported to a toxic waste landfill. To prevent remaining impurities from rising to the surface, a cap of non-porous polyethylene was put down and covered with 2 feet (0.61 m) of clean soil. Construction of the track was completed in late 1996.
On January 10, 1997, Marlboro Team Penske's driver Paul Tracy became the first driver to test on the new speedway. NASCAR held its first open test session on at the track from May 5–7. The official opening and ribbon cutting ceremony was held on June 20, 1997, with the first race, a NASCAR West Series race, being held the next day.
The track was named the California Speedway from the time it was built through February 21, 2008, when the Automobile Club of Southern California purchased the naming rights in a 10-year deal; thus the track became Auto Club Speedway and has remained as of 2023, as the deal was renewed. The sponsorship was discontinued after March 2023.
With early success following the opening of the track, the speedway began to expand reserved grandstand seating along the front stretch with an additional 15,777 seats. In May 1999, an additional 28 skyboxes were added to the top of the main grandstand. In 2001 the Auto Club Dragway, a 0.250 mi (0.402 km) dragstrip, was built outside of the backstretch of the main speedway. That same year, the infield of the speedway was reconfigured to hold a multipurpose road course. On April 24, 2003, The San Bernardino County Planning Commission approved the changing of the speedway's conditional use permit to allow the installation of lights around the track. Later that year NASCAR announced a second annual NASCAR Cup Series race at the track for the 2004 season, with the second race being run "under the lights". NASCAR ran two weekends of racing annually until the 2011 season, when the track returned to a single annual race weekend.
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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, 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 body ran a 400-mile race from 2002 to 2005 and a 500-mile race from 2012 to 2015, which was usually the season finale. Its last IndyCar race was the 2015 MAVTV 500.
In 2023, the track was closed for reconstruction as part of the Next Gen California project and demolition started in October 2023. However, high costs and other priorities have prevented the project from beginning. NASCAR has since held races in Southern California at Los Angeles Memorial Coliseum with the Busch Clash from 2022 to 2024, and held a street race at Naval Base Coronado in June 2026.
On April 20, 1994, Roger Penske and Kaiser Steel announced the construction of a racetrack on the site of the abandoned Kaiser Steel Mill in Fontana, California. A day after the announcement, Championship Auto Racing Teams (CART) announced it would hold an annual race at the speedway. Three months later NASCAR president Bill France Jr. agreed to sanction NASCAR Cup Series races at the speedway upon completion, marking the first time NASCAR made a commitment to run a race at a track that had yet to be built. Community meetings were held to discuss issues related to the construction of the track and the local effects of events held. The local community largely supported construction of the speedway citing potentially increased land values and rejuvenation of the community. In April 1995, after having toured the sister track Michigan International Speedway, the San Bernardino County Board of Supervisors unanimously approved the project. The California Environmental Protection Agency gave Penske permission to begin construction after Kaiser agreed to pay US$6 million to remove hazardous waste from the site. Construction on the site began on November 22, 1995, with the demolition of the Kaiser Steel Mill. The 100-foot (30 m) water tower, a landmark of the Kaiser property, was preserved in the center of the track to be used as a scoreboard. 3,000 cubic yards (2,300 m3) of contaminated dirt was removed and transported to a toxic waste landfill. To prevent remaining impurities from rising to the surface, a cap of non-porous polyethylene was put down and covered with 2 feet (0.61 m) of clean soil. Construction of the track was completed in late 1996.
On January 10, 1997, Marlboro Team Penske's driver Paul Tracy became the first driver to test on the new speedway. NASCAR held its first open test session on at the track from May 5–7. The official opening and ribbon cutting ceremony was held on June 20, 1997, with the first race, a NASCAR West Series race, being held the next day.
The track was named the California Speedway from the time it was built through February 21, 2008, when the Automobile Club of Southern California purchased the naming rights in a 10-year deal; thus the track became Auto Club Speedway and has remained as of 2023, as the deal was renewed. The sponsorship was discontinued after March 2023.
With early success following the opening of the track, the speedway began to expand reserved grandstand seating along the front stretch with an additional 15,777 seats. In May 1999, an additional 28 skyboxes were added to the top of the main grandstand. In 2001 the Auto Club Dragway, a 0.250 mi (0.402 km) dragstrip, was built outside of the backstretch of the main speedway. That same year, the infield of the speedway was reconfigured to hold a multipurpose road course. On April 24, 2003, The San Bernardino County Planning Commission approved the changing of the speedway's conditional use permit to allow the installation of lights around the track. Later that year NASCAR announced a second annual NASCAR Cup Series race at the track for the 2004 season, with the second race being run "under the lights". NASCAR ran two weekends of racing annually until the 2011 season, when the track returned to a single annual race weekend.
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