讲述了道路网规划的基本思想是疏解，并从道路等级结构、道路网密度和道路网的结构形式三个方面阐述了道路网规划应重视的基本内容。

Basic contents of road network planning are expounded from three aspects of road category scale, road network density and road network shape.

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同时，还对近阶段郑州市不同道路等级典型路面结构的面层、基层、底基层、下封层和旧路补强的配比和设计作了详细的介绍。

Also introduced here are the mixture ratio and design of pavement, base, sub-base, sub-seal and old road strengthening for typical pavement structure of different road classes in Zhengzhou.

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旧路加宽改造对提高既有道路等级和改善路网结构具有较高的技术经济价值。

The widening transformation of the old road has a high technical and economic value to improve the existing road level and improve the road network structure.

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