Rationality of Speed Limit for Anyang-Xinxiang Highway and Speed Control

Anyang-Xinxiang highway is the first part of Beijing-Hongkong-Macao expressway in Henan province. It is the main backbone of the national highway network, and plays an extremely important role in the north-south traffic. As a major traffic management tool, the speed limit is used to regulate the speed of vehicles on the road and to ensure the security of driving. But the establishment of speed limit standard has puzzled the civil engineers in the world all along. The rationality of speed limit in Anyang-Xinxiang highway from the point of view of operating speed is discussed, the state of the accident in this road section is analyzed, and some speed control technologies are put forward in order to restrain the speeding and reduce the accident rate, which can provide helpful reference for other similar highways.