Consequently, by researching overseas railway safety standards and the relevant safety evaluation and safety validation systems and combining with the practice of development of Chinese railway communication and signalling, the safety evaluation and validation system of Chinese railway communication and signalling system must be established availably and in time.

To do research on the evaluation on road safety to improve the traffic safety conditions;

The Fundamental Principles of Road Safety Audit;

Evaluation methods of road safety based on simulator;

The study on out-railway safety about the railway of coal mining area;