The expressway ETC system can provide the specialized solution for the electronic toll collection of expressway, national road, provincial road, bridge, tunnel and parking lot, so the users can pay the toll by smart cards rather than cash payment, and the system can provide a toll management way of “unified toll collection and splitting bills by system”. The system can be compatible with the combination type toll collection technology of electronic toll collection without stopping and the manual semi-automatic toll collection, and can provide card swiping consumption, recharging and settlement services for many kinds of smart cards, such as: debit cards and prepaid card. The system has powerful ability of processing massive data, and can provide accurate and timely data distribution service. At the same time, the system can effectively handle and control various illegal cards and illegal transactions in the system, to ensure the safe and effective operation of the system. The solution uses special remote microwave communication DSRC technology, and through the data exchange between roadside unit RSU and ob-board unit OBU to achieve automatic vehicle identification and toll deduction; it is an intelligent transportation comprehensive solution. The system supports the latest ETC standards of China.