轨道交通与自行车交通作为两种低耗能，高环保的交通方式越来越受到很多国家的关注。

Rail Transit and bicycle traffic as two low-power, high environmentally friendly mode of transport become more and more attention in many countries.

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通过对交通工程设施分期实施的原则、内容及措施的论述，提出了高等级公路交叉道口，停车与服务区、通讯环保分期实施意见。

The paper discusses the principles, contents and measures of the implementation by stages and puts forward the time implementation of high grade road's crossing, park …

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