立交定线中变速车道设计探讨

Discussion on Design of Variable Speed Lane in Interchange Alignment

匝道出入口是互通式立体交叉的重要组成部分,变速车道定线是立交定线的重点与难点。本文以DICAD软件为例,详细阐述了各种不同情况下的变速车道定线的思路与方法,有关经验可供相关专业人员参考。

Ramp entrance is the important constituent part of interchange. The alignment of variable speed lane is the importance and difficulty of interchange alignment. Taking DICAD software as an example, the article sets forth the ideas and methods of variable lane alignment under the different conditions. The relative experience can be referred for the similar projects.