FIREENGINECARRACERRIGOnrecordSet once, to “Traffic jam” — The New York Times, Sunday, 15 December 1996.21 lettersOther answers to these cluesATVBICYCLERVLIMOUSINE21 lettersCOUPECAMPERMOTORCYCLE21 lettersGTAMBULANCEOMNIBUSCAB21 lettersSEMIVANAUTOSEDANMOPED21 lettersTIEUP5 lettersTRAMROADSTERMOTORHOME21 letters