Speed and Lane Changing Control Optimization Research on Accident and Congestion Concentrated Sections of Guang-Shen Freeway

As a high load and high truck proportion highway, Guangzhou-Shenzhen Freeway (ab. Guang-Shen Freeway), is undergone frequent traffic accidents and severe traffic congestion. In order to improve the safety and traffic capacity of Guang-Shen Freeway, a new speed and lane changing control strategy was researched and proposed based on the investigation and analysis on traffic accidents and traffic flow characters data. Two accident and congestion concentrated sections were identified, and the reasons of accidents frequent occurring on them were analyzed by spatial characteristics and form characteristics of accidents analysis. A new integrated resolution was researched including variable and split lane speed control and lane changing control in entry and exit weaving area.