Meanwhile, some measures of improving evenness of subgrade and pavement structures are presented basing on design and construction.

同时提出了从设计和施工两方面提高路基和路面结构层均匀性的一些措施。

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The drainage design of urban highway deals with only the surface run-off. It presents a new drainage system considering the road surface, pavement structure, and subgrade (including green belt).

城市快速路排水设计，一般只考虑路面径流的做法，主要从道路表面、路面结构内部和路基(包括绿化带)三方面时排水进行综合介绍。

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