Virtual simulation test of perception factors for operating speed;

Application of operating speed in the design of highway route;

The application of artificial neural network in operating speed forecast;

Based on a mass of data,the describing in detail for calculation on operation speed based on expression method being given in"Guidelines for Safety Audit of Highway",and the confirmation for principles on highway sections dividing with some relative formulas,is hoped to be helpful for designers in comprehending the concept of the operation speed.

The application of operation speed in route design;

Research on operation speed and speed limit for freeways in China;

Study and application of two operation speed predication model