In the light of the situation that the road diseases are more and more severe day-by-day, this paper analyzes on the background and causes of these road diseases, and puts forward some principles and methods of treating these road diseases.

Application of explore radan techniques to the test of highway hazard;

As a result,it is one of the important reasons for the highway damage that the criterion of compaction in existence is deficient.

This paper introduced application of GRP in pavement inspection and highway damage detection.

The modern management of the highway disease and disaster information could provide us with scientific and efficient control measures, conduct the engineering practice and supply evidence to our scientific research.

Through analysis of the engineering geological characteristics of highway disease area two methods:Rayleigh wave method and ground penetrating radar are used for geophysical prospecting of this disease area of highway.

Approximation and program of soil test data in highway slope diseases;