▁ ▁At ▁Day ton a ▁in ▁ 2 0 1 9 , ▁the ▁rule ▁was ▁am ended ▁to ▁provide ▁only ▁for ▁a ▁one - lap ▁over time . ▁The ▁green ▁and ▁white ▁would ▁be ▁displayed ▁at ▁the ▁over time ▁restart , ▁with ▁the ▁check er ▁or ▁yellow ▁ending ▁the ▁race . ▁This ▁was ▁adopted ▁at ▁su pers pe ed way ▁events ▁( Day ton a ▁& ▁T alla de ga ) ▁to ▁prevent ▁multiple ▁crashes , ▁which ▁were ▁common ▁at ▁those ▁races , ▁and ▁which ▁were ▁prov ing ▁very ▁cost ly ▁to ▁the ▁teams . ▁ ▁NAS C AR ▁ ▁Regional ▁Series ▁( until ▁ 2 0 1 0 ) ▁ ▁The ▁Camp ing ▁World ▁East ▁and ▁West ▁Series ▁used ▁a ▁rule ▁similar ▁to ▁the ▁AR CA ▁rule ▁with ▁an ▁un limited ▁number ▁of ▁attempts . ▁ ▁In ▁April ▁ 2 0 0 5 , ▁two ▁green - white - check ered ▁attempts ▁were ▁used ▁at ▁Phoenix ▁International ▁Race way ▁for ▁a ▁Camp ing ▁World ▁West ▁race . ▁ ▁Camp ing ▁World ▁T ruck ▁Series ▁( 1 9 9 5 – 2 0 0 4 ) ▁The ▁NAS C AR ▁Camp ing ▁World ▁tr uck ▁Series ▁adopted ▁a ▁green - white - check ered ▁flag ▁rule ▁initially ▁during ▁nation ally ▁tele vised ▁ 2 0 0 - lap ▁exhibition ▁races ▁at ▁T uc son ▁Race way ▁Park ▁in ▁Arizona . ▁ ▁When ▁the ▁green ▁flag ▁is ▁w aved ▁on ▁the ▁restart , ▁there ▁are ▁two ▁la ps ▁remaining ▁in ▁the ▁race . ▁If