A problem concerning the connectivity of the mountainous road network aggravates severity of damage which the calamity events caused.

The influences of mountainous highway construction on ecological environment and its protective measures;

On how to reduce the project cost of mountainous highway on the design stage;

Quality control of mountainous highway security protection project construction

Engineering modes for prevention and control of debris flows along mountainous roads

Also,it analyses the various influencing factors of the mountainous road traffic accident rate in response to the characteristics of accident blackspots,puts forward the decision index of implementing the safeguard project and proposes the relevant technical plan on the basis of the.

Washout by flood of mountainous road is a common one.

Protection designs for mountain highway roadbeds against flooding;

Application of the used-for-bridge pool as a protection for bridges culverts across mountainous roads;

Application of asphalt mirco surface in mountainous road;

Physical Modeling Study on Lower Slope of Mountain Road Water Damage;

With more and more highways being constructed in mountain areas these years,it is increasingly important to ensure the safety of mountain roads.