The utility model relates to a bus trip response system based on car interconnection technology, the bus or train route of this system environment subsystem in coordination includes on -vehicle unit and trackside equipment, provides necessary software and hardware environment for the systems implementation, the passenger go on a journey the response subsystem contain website terminal and automobile -mounted terminal for the passenger provides the trip demand, the supplementary subsystem of driver comprises with driving decision -making auxiliary information issue equipment control module for supplementary driver makes a strategic decision, formulates for the vehicle traval route and provide the basis. The utility model discloses possess service area extended functionality as required, can make the vehicle get into supplementary road traveling according to passenger's demand, be the variable line mode with the public transport method of service by the fixed line modal alteration, satisfy the subregion and do not have normality non - passenger's demand of going on a journey of trip regularly, realize enlarging the public bus network service range, reduce regional fixed public bus network, practice thrift social resources, can bring apparent energy saving and emission reduction effect.