Combined with the alignment design of Taichang Expressway, the paper introduced some experience of horizontal and longitudinal alignment combination.
介绍高等级公路平面线形设计、纵断面线形设计，以及平、面线形的组合设计。
This paper introduces a method of longitudinal slope design for vertical alignment smoothly transition.
为使路线交叉连接部处纵面线形平顺过渡，介绍了一种纵面坡度设计方法。
Reasonable selection of plane and longitudinal profile alignment is the most important thing related to the environmental protection.
这其中选择合理的平纵面线型对环保的关系最大；
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