精品文档---下载后可任意编辑设计理念Design Concept1绿色交通城市形象概念：Green traffic根据居民出行特征，结合环境和用地功能，采纳相应的绿色交通方式，组织绿色交通。Green traffic means to make urban transportation more efficient and environmentally friendly through better planning and organization. To achieve this, the authority must analyze the existing traffic pattern, urban environment, road conditions, functions of different areas, etc. and take various innovative measure and techniques.2路网因需制宜经济高效概念：Road system that is cost-effective and meets the actual needs 分析潜在的主导交通流向，通过道路线型的优化调整，将存在左右转弯的主导交通转高速为直行交通。On the basis of traffic analysis such as the dominant traffic flows, the traffic control can be optimized by forbidding left turn and right turn at some crossroads.道路系统布局Planning of road system1.城市道路系统布局Overall planning of urban road system道路级别：按主干道、次干道、支路的三级组配。主干道红线宽 40-50 米，次干道红线宽30-40 米，支路红线宽 15-30 米，布置 3-4 条机动车道。Road classes: Major roads can be divided into three classes: trunk road, secondary trunk road and branch road. The breadth (between red lines) of trunk roads is 40 to 50 meters, the breadth of secondary trunk roads 30 to 40 meters and branch roads 15 to 30 meters. Each branch road shall have 3 to 4 automobile lanes.主干道Trunk road次干道Secondary trunk road支路Branch road2.居住区道路布局Planning of roads in residential area 居住区道路分三级，分别为居住区级道路、小区级道路和组团级道路，居住区级道路红线宽 15-30 米，为城市支路所替代。小区级道路宽 8-12 米，布置 1-2 机动车道，组团级道路宽 5-6 米。主要道路断面均为一幅路式。The roads in residential area are divided into 3 classes: residential area trunk roads, residential area branch roads an...
