The Chinese translation of ETC means Electronic Toll Collection, and the English full name is electronic toll collection, which is an automatic toll collection for highways or bridges. It is one of the service functions of intelligent transportation system, and it is especially suitable for use in highway or bridge and tunnel environment with heavy traffic.

Mainly through the vehicle-mounted electronic tag installed on the windshield of the vehicle to communicate with the microwave antenna on the ETC lane of the toll station in a special short distance, and using computer networking technology to make background settlement with the bank, so as to achieve the purpose of paying the toll station on the expressway or bridge without stopping.

Technical characteristics of ETC:

1, non-stop toll collection technology is especially suitable for expressway or bridge and tunnel environment with heavy traffic.

2. The non-stop toll collection system under traditional lane isolation measures is usually called one-lane non-stop toll collection system, and the non-stop toll collection system under free traffic flow without lane isolation is usually called free flow non-stop toll collection system.

3. The implementation of non-stop charging can make vehicles pass at high speed (tens of kilometers to 100 kilometers or more), so the traffic capacity of expressways can be greatly improved.

4. Electronic toll collection can reduce the cost of toll collection management and improve the efficiency of vehicle operation; At the same time, it can also greatly reduce the noise level and exhaust emissions of toll stations.

Refer to the above? Baidu encyclopedia-etc.