A Study on the Simulation of Expressway Transportation Safety Based on AutoCAD;

Traffic safety propaganda education existence question and countermeasure;

AHP for evaluating the traffic safety of a highway;

Correlative analysis of skid resistance of pavement and traffic security;

An applied study of urban traffic security system based on component MapObjects;

A research on the problems and countermeasures of traffic security on the Huangshi - Huangmei Freeway;