At present, there is little study on function of the highway of our country, and it does not have clear definition and standard that the function of the highway is classified.
目前，我国对公路功能方面的研究很少，公路的功能分类也没有明确的定义和标准。
2
According to the objects of transportation, highway transportation demand is classified as highway passenger transportation demand and highway cargo transportation demand.
公路运输需求按运输对象可分为旅客运输需求和货物运输需求。
3
Here, the surrounding rock in Hanjialing highway tunnel was classified by fuzzy synthesis assessment method, and assessment results were analyzed.