Talk:Next is you! / Karada Dake ga Otona ni Nattan ja nai/@comment-24833026-20151130215241/@comment-2152025-20151201004849

Both ways is correct, though we mainly use "ja nai" (I think).

^^To be fair, I mainly do it when there is a red light or constant stop-and-go traffic, but I am guilty of doing it when driving really slowly. ^^;