三屯营至抚宁公路唐山段路线优化研究

河北北部山区三抚公路的路线优化过程中提出了在新形势下建设新型公路、和谐公路的新理念，适当加大前期投入，确保公路使用安全，减少了后期养护费用，提高了公路的使用寿命，并为新时期的山区公路建设提出了新的看法和新的设计思路。

Research on Route Optimization of Santunying-Funing Highway Tangshan Section

The new idea of constructing new type of highway and harmonious highway is put forward during the course of route optimization of Santunying-Funing highway which lies in a mountainous area of northern Hebei. Increasing earlier investment properly insures the security of the use of highway, reduces the maintenance costs in latter times, increases the service life of highway, and proposes new opinion and new design idea for the construction of highway in mountainous area in the new period.