IndyCar Pyramid

Tier	Logo	Series 	Type 	Founded
I 	 	NTT IndyCar Series 	American open-wheel 	1996
I 	 	Lucas Oil Champ Car World Series 	American open-wheel 	2002 / 2022 (IndyCar)
II 	 	Indy Lights Presented by Cooper Tires 	American developmental open-wheel	1986 / 2002 (IndyCar)
II 	 	Indy ChampCar Pro Series Presented by Advance Auto Parts	American developmental open-wheel	2012 / 2022 (IndyCar)
III 	 	Indy Pro 2000 Championship Presented by Cooper Tires 	American developmental open-wheel	1991 / 2013 (IndyCar) / 2022 (USAC)
IV 	 	The Cooper Tires USF2000 Championship 	American developmental open-wheel	2010 (IndyCar) / 2022 (USAC)
V 	 	Honda 4-Cycle Sprint Series East 	Kart racing 	2021 / 2022 (IndyCar)
V 	 	Honda 4-Cycle Sprint Series West 	Kart racing 	2021 / 2022 (IndyCar)