Phoenix Track Notes & History – Thursday:

‚· Construction was completed in January 1964. The facility consisted of a one-mile oval and a 2.5-mile road course.
‚· Alan Kulwicki won the first NASCAR Sprint Cup Series race at Phoenix on Nov. 6, 1988.
‚· The first spring race was held on April 23, 2005 and also the first night race, which was won by Kurt Busch.
‚· The track underwent its first repave in 2011. The construction began in March and concluded in September of that year.
‚· The following changes were made during the construction period (March – Sept., 2011): Widened the frontstretch from 52 to 62 feet; Reconfigured pit road with the installation of concrete pit stalls; Pushed the dog-leg curve between Turn 2 and Turn 3 out 95 feet, Tightened the turn radius of the dog-leg from 800 to 500 feet; Implemented variable banking to ensure the immediate use of two racing grooves, including 10-11 degree banking between Turn 1 and Turn 2; 10-11 degree banking in the apex of the dog-leg; and 8-9 degree banking in Turn 4.
(NASCAR)(11-12-2015)