In its later years, the series visited more temporary street courses, many in conjunction with the Indy Racing League, at cities such as St. Petersburg, Florida and Long Beach, California.
Akhirnya, seri ini lebih banyak masuk ke sirkuit jalanan, yang digunakan bersama Indy Racing League, di kota seperti St. Petersburg, Florida dan Long Beach, Kalifornia.WikiMatrix WikiMatrix