用透视图来鉴别拟建公路的线形或构造物设计的优劣,国外早已普遍实行。在我国,以往公路设计还没有感到用透视图来检查公路线形的必要。现在,随着四个现代化建设的展开,我国公路交通建设也必然日趋现代化;高级公路、高速公路定将逐步兴建。因此,熟悉、绘制和使用透视图来鉴别 Use perspectives to identify the pros and cons of linear or structural design of a proposed highway, which has long been practiced abroad. In our country, the highway design in the past has not felt the necessity of using the perspective view to check the road alignment. Now with the unfolding of the four modernizations, the construction of road transport in our country will inevitably become increasingly modernized. Highways and highways will be built gradually. Therefore, familiar with, draw and use perspective to identify