Expressway ETC toll evasion prevention system and method

The invention provides a highway ETC toll evasion prevention system and method. The highway ETC toll evasion prevention system comprises a first processor and a second processor which can communicate with an ETC toll collection system. The first processor is connected with a first infrared detection device and a first ETC device detection system; the second processor is connected with a second infrared detection device and a second ETC device detection system. The first infrared detection device is used for detecting vehicles entering an ETC channel at an entrance of a highway, and the second infrared detection device is used for detecting vehicles entering an ETC channel at an exit of the highway; according to the invention, the license plate monitoring devices are arranged on the entrance ETC channel and the exit ETC channel of the highway, and whether the barrier gate is opened is determined by determining whether the vehicle ETC device information read by the ETC device detection system is consistent with