Express way safety distance early warning system based on GPS (global positioning system) and 3G wireless communication

The utility model discloses an express way safety distance early warning system based on GPS (global positioning system) and 3G wireless communication, which consists of a data acquisition module based on a camera, a GPS vehicle positioning module, a data processing module, a 3G communication module, a voice alarm module, a liquid crystal display module and a vehicle-mounted power supply module and the like. The express way safety distance early warning system integrates functions of video data acquiring, processing and wirelessly transmitting, control managing and data acquiring of the GPS positioning module, 3G wireless transmission, displaying, analyzing and evaluating of a supervisory computer and the like. The express way safety distance early warning system is capable of effectively solving the problem that traffic congestion and the like caused by traffic accidents of collision of automobiles when the distance among automobiles is too small and drivers cannot timely apply the brake to the automobiles on express ways, monitoring real-time running state of express ways and sharing data.