While the expressway network makes outstanding contribution to the national economic development, it also poses a severe test to the automation and intelligence of expressway management and operation. With the development of communication technology and electronic technology, electromechanical system of expressway has gradually become the basis of expressway management and operation.

With the large-scale popularization and application of motor vehicles, various motor vehicle related violations began to breed and spread. The collection, statistics and analysis of road traffic accidents and the continuous automatic detection and recording of motor vehicles running red lights are important means to curb motor vehicles running red lights, so as to improve the urban road traffic environment and improve the public travel safety factor.