ial ▁tram way ▁ ▁B ile vel ▁rail ▁car ▁a ▁rail ▁passenger ▁vehicle ▁consisting ▁of ▁ 2 ▁levels ▁ ▁Bomb ard ier ▁Bi Level ▁Co ach ▁ ▁Bomb ard ier ▁Multi Level ▁Co ach ▁ ▁D ome ▁car ▁ ▁Double - deck ▁aircraft ▁ ▁Double - deck ▁elev ator ▁ ▁Double - de cker ▁bus ▁ ▁Double - de cker ▁tram ▁ ▁Super lin er ▁( ra il car ) ▁ ▁Autor ack ▁( US ) ▁or ▁car ▁trans porter ▁( UK ), ▁a ▁railway ▁vehicle ▁for ▁transport ing ▁cars ▁or ▁other ▁road ▁vehicles ▁ ▁Car ▁car rier ▁tra iler ▁or ▁auto ▁car rier , ▁a ▁road ▁tra iler ▁for ▁transport ing ▁cars ▁or ▁other ▁road ▁vehicles ▁ ▁Two - de cker ▁is ▁a ▁sail ing ▁ship ▁with ▁ 2 ▁de cks ▁armed ▁with ▁can non . ▁ ▁A ▁double - de cker ▁may ▁also ▁refer ▁to : ▁ ▁Double ▁De cker ▁( ch oc olate ▁bar ) ▁ ▁Double - de cker ▁sand wich , ▁such ▁as ▁a ▁club ▁sand wich ▁or ▁D ag wood ▁sand wich , ▁with ▁two ▁layers ▁of ▁meat ▁and ▁cond iments ▁sand wich ed ▁between ▁three ▁pieces ▁of ▁bread ▁ ▁A ▁multi - level ▁road way ▁such ▁as ▁those ▁found ▁in ▁Chicago ▁ ▁A ▁multi - level ▁bridge ▁ ▁A ▁double - de cker ▁ou th ouse ▁ ▁Double ▁De cker , ▁a ▁ 1 9 8 7 ▁Hong ▁Kong ▁film ▁ ▁Double ▁De cker ▁( 2 0 1 1 ▁film ), ▁a ▁ 2 0 1