Reasonable type of road cross section could ensure the smooth vehicle flow, at the same time, it could reduce the pollution of traffic to environment through reasonable greening arrangement.

合理的道路横断面型式一方面可以保证车流的畅通，另一方面也可以通过合理的绿化布置减少交通对环境的污染。

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The cross section design is an important part of the road design.

道路横断面设计是道路设计的重要组成部分。

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The future traffic is an important target in traffic planning and road building. It is an indispensable term for determining road grade, cross-section, type of structure and road standard.

未来交通量是道路交通规划与建设中十分重要的技术指标，是确定道路等级、道路断面、结构形式和标准不可缺少的条件。

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