Intelligent transportation system integrates the functions of recording of vehicles pass by block port, traffic detection of electronic police, video monitoring and road traffic parameter collection. It can be built at junctions of urban highways, entrance ramps and one-way roads to realize 24×7 monitoring of vehicles pass by and record traffic offense process in a real-time manner. Automatic monitoring and snapshot system for illegal parking, traffic monitoring and automatic snapshot system of command center, full-length video multi-functional smart traffic incident detection system, full-length video smart snapshot system for vehicles’ failure to give way to pedestrians, HD video automatic snapshot system for vehicles’ violation of road traffic laws and regulations, full-length video detection and alarm system for non-motor vehicles’ violation of traffic laws and regulations, digital HD smart video detection electronic police system, digital HD smart video block port/speed detection system and checkpoint smart management platform...