International Speedway Corporation

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DANICA PATRICK - AUTO RACING Danica Patrick gets ready before qualifying for the NASCAR Sprint Cup series auto race, Friday, Sept. 26, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)

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Tony Stewart, left, talks on pit road before qualifying for the NASCAR Sprint Cup series auto race, Friday, Sept. 26, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)

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Tony Stewart, left, talks on pit road before qualifying for the NASCAR Sprint Cup series auto race, Friday, Sept. 26, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)

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Jeff Gordon drives during practice for the NASCAR Sprint Cup series auto race, Saturday, Sept. 27, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)

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Jeff Gordon (24) races Kevin Harvick during the NASCAR Sprint Cup Series Pure Michigan 400 auto race at Michigan International Speedway in Brooklyn, Mich., Sunday, Aug. 17, 2014. (AP Photo/Paul Sancya)

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A fan takes cover under an umbrella in the grandstands while rain causes a delay during qualifying for a NASCAR Sprint Cup Series auto race at the Daytona International Speedway in Daytona Beach, Fla., Friday, July 4, 2014. (AP Photo/Phelan M. Ebenhack)

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Kasey Kahne, front left, Paul Menard (27) and Reed Sorenson (36) are among the cars that crashed coming out of the backstretch going in to turn 3 during the NASCAR Sprint cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, July 6, 2014. (AP Photo/Ron Sanders)

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Ryan Truex dives on the rain slick runway during introductions before the NASCAR Sprint cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, July 5, 2014. The race was later postponed till Sunday at 11am.(AP Photo/Phelan M. Ebenhack)

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Drivers Kevin Harvick, left, and Jeff Gordon lead the pack through the first turn during the NASCAR Quicken Loans 400 auto race at Michigan International Speedway in Brooklyn, Mich., Sunday, June 15, 2014. (AP Photo/Bob Brodbeck)

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Jimmie Johnson celebrates winning the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson does a burn-out after winning the NASCAR Sprint Cup series auto race at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson celebrates winning the NASCAR Sprint Cup series auto race with his wife Chandra, left, and daughters Lydia and Genevieve, right, at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson, left, holds his daughter Genevieve with his wife Chandra, right, before driving in the NASCAR Sprint Cup series auto race at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson drives during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson, left, celebrates winning the NASCAR Sprint Cup series auto race at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Jimmie Johnson drives during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)