Ku dhammee weedhan soo socota: Sannadkii 1955 tartanka AAA Championship Car wuxuu ka koobnaa 11 tartan, oo ka bilaabmay Speedway, Indiana 30-kii Maajo kuna dhammaaday Phoenix, Arizona 6-dii Nofeembar. Waxaa sidoo kale jiray hal dhacdo oo aan aheyn horyaalka oo ka dhacday Mechanicsburg, Pennsylvania. Horyaalkii Qaranka ee AAA iyo guuleystaha Indianapolis 500 wuxuu ahaa Bob Sweikert. Manny Ayulo waxaa lagu dilay Indianapolis isaga oo tababar ugu jiray
1955 Indianapolis 500, iyo Bill Vukovich, oo ah labo jeer guuleyste, ayaa lagu dilay tartanka laftiisa. Jack McGrath, oo laba jeer ku guuleystay (1952, 1953), ayaa lagu dilay tartankii ugu dambeeyay ee Phoenix wareegga 85aad. Tani waxay ahayd sanadkii ugu dambeeyay ee Horyaalka Qaranka AAA; USAC waxay caddeysay taxanaha laga bilaabo sanadka soo socda.