一级公路路线设计走向及其原则探讨

某一级公路平面设计线位于道路分隔带中心,纵断面设计线位于2m分隔带两侧边缘.路线平面布设遵循以人为本、节省资源、保护环境的原则,纵面线形力求视觉顺适,并综合考虑桥梁、平交的设置.路线的交叉设计包括互通式立体交叉、分离式立体交叉、平面交叉和公路与管线交叉设计.

Route Design and Corresponding Principles of First-Class Highway

The graphic design line of a first-class highway is located in the road divider center, the longitudinal section design line is located in the edges of both sides of the 2m separation zone. Plane layout of the route follows the principles of people-oriented, resources saving, environmental protection. Vertical alignment should be of visual accommodation and take comprehensive consideration of the setting of bridge and at-grade intersection. Intersection design of the route include that of interchange, separate grade crossing, intersection, road and pipeline crossing.