"Purchased by and merged intoNASCAR" . "Bill France Racing, Inc." . . "ISC" . "1.1564E8" . . "ISC-owned tracks" . . . . . . . . . "International Speedway Corporation" . . . "International Speedway Corporation" . . . . . . . . . . . . . . "NASCAR" . "5.453E7" . "1953" . "6.3391E8" . "speedway" . . . . "2019-10-18" .