▁and ▁Indian apolis ▁ 5 0 0 ▁driver ▁killed ▁in ▁a ▁ 2 0 1 7 ▁racing ▁crash . ▁ ▁Vari ous ▁support ▁races ▁have ▁accompanied ▁the ▁M idget ▁main ▁event ▁including ▁stock ▁cars , ▁Formula ▁Super ▁V ee , ▁Formula ▁Ford , ▁and ▁the ▁M ini ▁Ind y ▁series . ▁Since ▁ 2 0 1 0 ▁( except ▁in ▁ 2 0 1 7 ), ▁the ▁Maz da ▁Road ▁to ▁Ind y ▁U . S . ▁F 2 0 0 0 ▁and ▁Pro ▁Maz da ▁racing ▁series ▁supported ▁the ▁event . ▁The ▁current ▁name ▁of ▁the ▁event ▁is ▁derived ▁from ▁" Car b ▁Day ", ▁the ▁final ▁practice ▁session ▁for ▁the ▁Indian apolis ▁ 5 0 0 , ▁held ▁at ▁the ▁Indian apolis ▁Motor ▁Speed way ▁earlier ▁in ▁the ▁afternoon . ▁While ▁the ▁two ▁events ▁are ▁not ▁directly ▁linked , ▁they ▁share ▁a ▁long ▁and ▁rich ▁history ▁of ▁co - ex istence . ▁ ▁History ▁▁ 1 6 th ▁Street ▁Speed way ▁The ▁first ▁Night ▁Before ▁the ▁ 5 0 0 ▁event ▁was ▁held ▁in ▁ 1 9 4 6 ▁at ▁ 1 6 th ▁Street ▁Speed way ▁( former ly ▁Indian apolis ▁M idget ▁Speed way , ▁and ▁sometimes ▁known ▁as ▁West ▁ 1 6 th ▁Street ▁Speed way ), ▁a ▁short ▁track ▁that ▁was ▁once ▁located ▁across ▁the ▁street ▁from ▁the ▁Indian apolis ▁Motor ▁Speed way . ▁The ▁head line ▁event ▁was ▁a ▁double ▁feature ▁of ▁M idget ▁car ▁racing ▁san ction ed ▁by ▁the ▁A AA ▁Cont est ▁Board