Buuxi weedha soo socota: Xilli ciyaareedkii 1990 ee CART PPG Indy Car World Series wuxuu ahaa xilli ciyaareedkii 12aad ee horyaalka qaranka ee tartanka gawaarida furan ee Mareykanka ee ay ansixisay CART. Xilli ciyaareedku wuxuu ka koobnaa 16 tartan, iyo hal dhacdo bandhig oo aan dhibco lahayn. Al Unser Jr. waxa uu ahaa horyaalkii qaranka, iyo rookie sanadka wuxuu ahaa Eddie Cheever. Waxyaabaha
1990 Indianapolis 500 waxaa xukumay USAC, laakiin waxaa lagu tiriyaa dhibcaha horyaalka CART. Arie Luyendyk ayaa ku guuleystay Indy 500, guushiisii ugu horreysay ee tartan heerka horyaalnimada ah, iyo 500-kii ugu dhaqsaha badnaa ilaa 2013 Indianapolis 500.