Research purposes: The high-grade railway has the characteristics of high speed,high technology and high quality,and new code,new design standard and new construction technique.

Gray clustering evaluation for traffic safety on the high-grade highway;

Treatment method of soft soil foundation in high-grade highway;

Key points for construction quality control of curbstone in high-grade highway;

Cement concrete pavement crack principle and prevention of the high grade highway;

Make People The Center,Create High Grade Highway Landscape;

Discussion of paving technology and development trends for high grade highway;

Discussing some problems in the highway greening;

Research on Highway Maintenance Quality Evaluation System;

Discussing the preventions of bridgehead jump-driving in highway;

The design of construction organization in the prevent projects of high grade roads;

The analysis and advices to the existing situation of road administration system of the high grade road;

The design of drain of high grade road;

Analysis of soft soil foundation reinforcement method for high-grade road

When the high-grade roads pass the flying area in the airport,the final road line scheme is required to define based on the radio navigation facilities and their protective area range,according to the clearance requirements of airport,considering the influence of road lights on the ground aeronautic lights,and at the same time,combined with the design requirements of the road alignment.