text stringlengths 3 90.9k |
|---|
"南北左转" |
"51" |
"4" |
"2" |
"图2.1.3 现状配时" |
"交叉口信号周期为210秒，有东西直行、西进口左转、南北直行、南北左转三种相位设置，具体信号配时参数如表格所示。" |
"2.1.3交通量调查数据" |
"表2.1.4 交通量" |
"进口道" |
"高峰小时流量" |
"大车率%" |
"设计交通量" |
"西进口" |
"直行" |
"525" |
"1.6" |
"656" |
"左转" |
"435" |
"3.2" |
"424" |
"右转" |
"246" |
"2.6" |
"308" |
"总计" |
"1206" |
"16.1" |
"7.4" |
"东进口" |
"直行" |
"416" |
"2.4" |
"520" |
"左转" |
"0" |
"0" |
"0" |
"右转" |
"662" |
"3.3" |
"828" |
"总计" |
"1078" |
"5.7" |
"5.7" |
"南进口" |
"直行" |
"213" |
"11.4" |
"284" |
"左转" |
"0" |
"0" |
"0" |
"右转" |
"177" |
"0" |
"236" |
"总计" |
"390" |
"11.4" |
"11.4" |
"北进口" |
"直行" |
"384" |
"4.7" |
"426" |
"左转" |
"378" |
"1.7" |
"340" |
"右转" |
"429" |
"3.3" |
"572" |
"总计" |
"1191" |
"9.7" |
"9.7" |
"2.2单点定时信号控制设计思路" |
"本实验中我们根据交叉口现状渠化及配时方案，分别采用synchro软件自带的周期优化和webster方法计算出的最佳周期通过synchro进行绿灯时长优化。各配时方案均通过synchro实现仿真，分别输出交叉口各配时方案的评价指标，进行对比分析。" |
"交叉口服务水平评价标准如下表：" |
"表2.2 评价标准" |
"服务水平" |
"每车信控延误（s）" |
"服务水平" |
"每车信控延误（s）" |
"A" |
"B" |
"11—20" |
"C" |
"21—35" |
"D" |
"36—55" |
"E" |
"56—80" |
"F" |
">80" |
"新建、改建交叉口设计服务水平宜取B级，治理交叉口宜取C级。服务水平不合格时，须改进各进口道设计或信号相位方案，重新设计。" |
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