Incentive mechanism model of governance of substitute expressway owner to opportunism behavior of agent was established.

From organization management,quality and process control etc,the paper introduced the construction supervision of subgrade bridge and culvert engineering in 13 to 19 section of Yuncheng Sanmenxia Freeway.

The paper mainly introduced the design guiding thought of Yuncheng Sanmenxia Freeway and the design of special geologic hazard treatment etc.

Assessment on danger degree of geological hazards along the Sansui-Guiyang Highway in Guizhou Province;

An Approach to Application of Soil Infiltrating Technique in Clarification of Sewage at Subsidiary Area of Freeway;

Effects of Ecological Environment of Freeway and Evaluation of Them,Based on 3S Technique;

Analysis of freeway traffic safety situationand countermeasure in Chongqing;

Distribution and Environmental Quality Assessment of Lead Polution in Soil along Chengyu Highway;

The Problems and Countermeasures of Highway Environmental Impact Assessment;

The Forecast Experience Discuss of Highway Traffic Noise;