一种棋盘形路网中的公交环线网规划方法

公交线网规划是公交系统设计的关键，较大程度上决定公交系统的运行状况。本文针对现有公交线网客流量不均衡、平高峰转换迟缓、非直线系数较大等问题，以棋盘形路网为研究范围，提出一种在棋盘形路网下的环线布置思路。该方法用环线交错覆盖路网，首先在设定的换乘系数约束下满足直达客流，然后在约束条件限制下对线网局部到整体进行修正，从而完成整个线网的初步布设。最后考虑从不同目的和角度出发修正得到的公交线网，最终比选得到最优方案。

A Circular Bus Network Planning Method in a Chessboard-shaped Road Network

Bus route planning is the key to the design of public transport system, it determines the operation status of public transport at a large degree. For the existing bus network traffic problems, such as that the bus traffic is not balanced in both pace and time, flat-peak conversion is slow, non-linear coefficient is high, a circular bus network planning method in a chessboard-shaped road network was put forward in this paper. First, it meets the need of the direct passenger under the default transfer coefficient constraints, then revises the network from part to integrality under the constraints, and get the whole bus network. According to different purposes, different option should be compared each other, and the optimal one is gained at last.