FILE - In this Feb. 18, 2001, file photo, Dale Earnhardt waves to fans during race introduction before the start of the Daytona 500 auto race at the Daytona International Speedway in Daytona Beach, Fla. Earnhardt, the greatest stock car star of his era, was killed in a crash on the last turn of the last lap of the race that day as he tried to protect Michael Waltrip's victory (AP Photo/Russell Williams, File)

FILE - In this Feb. 18, 2001, file photo, Dale Earnhardt's (3) window pops out of the car after being hit by Ken Schrader (36) during the Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla. On the cusp of a national popularity explosion, NASCAR never stopped after the deaths of Adam Petty, Kenny Irwin Jr. and Tony Roper. But losing Earnhardt forced the stock car series to confront safety issues it had been slow to even acknowledge, let alone address. The dramatic upgrades have saved multiple lives — NASCAR has not suffered a racing death in its three national series since — and are the hallmark of Earnhardt's legacy. (AP Photo/Greg Suvino, File)

FILE - In this Feb. 18, 2001 file photo, safety workers cover Dale Earnhardt's (3) Chevrolet after crashing with Ken Schrader (36) during the Daytona 500 auto race at the Daytona International Speedway in Daytona Beach, Fla. Earnhardt, the greatest stock car star of his era, was killed in a crash on the last turn of the last lap of the race that day as he tried to protect Michael Waltrip's victory. (AP Photo/Greg Suvino, File

FILE - In this Feb. 18, 2006, file photo, Dale Earnhardt Jr., puts on his helmet and protective HANS device during preparations the day before the Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla. NASCAR mandated the use of head-and-neck restraints in late 2001. Drivers had resisted using the U-shaped neck restraint made of carbon fiber because they found it cumbersome and restrictive. They became required equipment after 25-year-old Blaise Alexander was killed in a crash at Charlotte Motor Speedway some eight months after Earnhardt's death.(AP Photo/Chris O'Meara, File)

FILE - In this Feb. 13, 1997, file photo, the checkered flag in Victory Lane reflects in the sunglasses of Dale Earnhardt,, after he won his eighth consecutive 125-mile qualifying auto race for the Daytona 500 at Daytona International Speedway in Daytona Beach, Fla. On the cusp of a national popularity explosion, NASCAR never stopped after the deaths of Adam Petty, Kenny Irwin Jr. and Tony Roper. But losing Earnhardt forced the stock car series to confront safety issues it had been slow to even acknowledge, let alone address. The dramatic upgrades have saved multiple lives — NASCAR has not suffered a racing death in its three national series since — and are the hallmark of Earnhardt's legacy. (AP Photo/Terry Renna, File)

FILE - This Feb. 9, 2020, file photo, shows a SAFER barrier wall in Turn 4 during qualifying for the NASCAR Daytona 500 auto race qualifying at Daytona International Speedway in Daytona Beach, Fla. The Steel And Foam Energy Reduction Barrier was designed to absorb and reduce kinetic energy during high-speed crashes. "Soft walls” have been gradually added to nearly every NASCAR track, first in high-impact areas, The Steel And Foam Energy Reduction Barrier was designed to absorb and reduce kinetic energy during high-speed crashes. "Soft walls” have been gradually added to nearly every NASCAR track, first in high-impact areas and later, after Kyle Busch broke both legs in a 2015 crash at Daytona, in place of nearly every spot of exposed wall. (AP Photo/Phelan M. Ebenhack)

FILE - In this Feb. 16, 2011, file photo, a statue of Dale Earnhardt rises above an entrance at Daytona International Speedway in Daytona Beach, Fla. On the cusp of a national popularity explosion, NASCAR never stopped after the deaths of Adam Petty, Kenny Irwin Jr. and Tony Roper. But losing Earnhardt forced the stock car series to confront safety issues it had been slow to even acknowledge, let alone address. The dramatic upgrades have saved multiple lives — NASCAR has not suffered a racing death in its three national series since — and are the hallmark of Earnhardt's legacy. (AP Photo/Lynne Sladky, File)