text stringlengths 3 90.9k |
|---|
"现状" |
"周期时长优化" |
"相位优化" |
"Webster" |
"——" |
"——" |
"——" |
"——" |
"改进方案" |
"周期优化" |
"相位优化" |
"周期时长" |
"210" |
"100" |
"210" |
"210" |
"100" |
"210" |
"最大V/C比" |
"0.83" |
"1.06" |
"0.80" |
"1.3" |
"1.02" |
"0.83" |
"交叉口信号延误" |
"47.4" |
"34.2" |
"44.7" |
"60.2" |
"35.7" |
"47.4" |
"通行能力利用率" |
"78%" |
"76%" |
"76%" |
"78%" |
"78%" |
"78%" |
"服务水平" |
"D" |
"C" |
"D" |
"E" |
"D" |
"D" |
"总延误" |
"35.7" |
"17.2" |
"24.3" |
"37.7" |
"18.4" |
"24.8" |
"总结：" |
"在所有的方案中，服务水平达到C级的有1个，且最大V/C比均小于1。因而，最优方案为周期时长优化" |
"2.5.2最终方案" |
"最终的交叉口配时方案为：" |
"时间" |
"序号" |
"相位" |
"绿灯时间" |
"（s）" |
"黄灯时间" |
"（s）" |
"全红时间" |
"（s）" |
"周期" |
"（s）" |
"16:00-17:30" |
"1" |
"东西直行" |
"47.5" |
"4" |
"0" |
"100" |
"2" |
"西进口左转" |
"26.4" |
"4" |
"0" |
"3" |
"南北直行" |
"44.4" |
"4" |
"0" |
"4" |
"南北左转" |
"22" |
"4" |
"2" |
"配时图：" |
"二、干线协调控制" |
"1干线协调控制概况" |
"1.1 路段概况" |
"我们选取了学院南路这条干道，从西向东分别与中关村南大街，大柳树路，皂君庙斜街，交大东路，明光路，西直门北大街，杏坛路七条路相交，总长为3.2公里，如下图所示：" |
"路段的卫星地图如下图所示：" |
"在synchro插入地图文件作为背景，以供描绘出路网。在对坐标和比例尺进行标定后，以上图为基础画出路网基本结构，如下图所示：" |
"由于第五个交叉口的数据在计算上有困难，故在干道协调控制中暂时不予考虑。" |
"1.2 交叉口几何布局" |
"1.2.1 中关村南大街与学院南路交叉口" |
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