公交导向下的道路分级体系重构--以汕头市中心城区为例

摘要

在交通规划由“增量”向“存量”转型的背景下，剖析传统道路等级划分方式的弊端，指出小汽车导向型道路分级体系不利于公交优先战略的实施。在此基础上，结合国内外已有相关研究，本文提出将公交优先与土地利用、慢行交通环境相结合的新的道路分类方法。即在主、次、支路网基础上重新划分为骨干路、公交优先级道路、基础路、慢行通道，构建公交导向型路网系统，并以汕头市中心区为例阐述了分级方法的原则、规划方法和可行性。%In the context that traffic planning is transmitting from incremental planning to inventory planning, this paper draws out the disadvantages of the traditional way of road-grading system and points out that car-oriented system is not conducive to implementation of the public transportation priority strategy. Based on a review of both domestic and foreign researches, this paper proposes a new transit-oriented road-grading system by integrating road-grading with public transport priority, as well as land use and slow trafifc environment. The new system includes public-transportation prioritized roads, basic roads and slow trafifc paths. Then the paper elaborates the principle, planning solution and feasibility of the new road-grading system through a case study of downtown Shantou.