-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):
o Widened the frontstretch from 52 to 62 feet
o Reconfigured pit road with the installation of concrete pit stalls
o Pushed the dog-leg curve between Turn 2 and Turn 3 out 95 feet
o Tightened the turn radius of the dog-leg from 800 to 500 feet
o 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)
