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“拉链车”首次亮相济南

2017-08-11 10:49:37   中国青年网

□见习记者 饶翔宇 报道

本报济南讯 8月7日下午,山东首台能自动设置潮汐车道的拉链车和用于设置潮汐车道线的水马隔离墩亮相旅游路,正式开始上路作业。据了解,在工作日的17:00—19:00,旅游路(洪山路口至浆水泉跨线桥段)将利用拉链车新设置出一条东向西潮汐车道。

据济南市交警支队介绍,“拉链车”又叫快速路自动化潮汐车道作业车,它在路上行驶时,能自动“吞吐”道路隔离带,通过调整隔离带的位置,自动开辟出一条潮汐车道。旅游路中段(转山西路——二环东路)是济南市南部贯通东西的重要主干路之一,全长3.0公里,道路红线25米,快车道宽20米,双向六车道,承担着过境交通和集散交通功能,在晚高峰期间交通压力一直处于过饱和状态。根据滴滴运用海量的OD数据和轨迹数据测算得出,转山西路至二环东路在早高峰期间双向拥堵指数失衡小,而在晚高峰期间具有明显失衡现象,由东至西的拥堵指数明显高于由西至东,呈现潮汐运行特点。同时根据现场勘测,该路段也具备实施潮汐车道的良好条件。

根据大数据分析,本次潮汐车道运行时段为工作日的晚高峰17:00-19:00,运行前半小时(16:30-17:00)和运行后半小时(19:00-19:30)为拉链车作业时间。16:30-17:00,拉链车在中心双黄线南侧车道自浆水泉跨线桥以东(现状潮汐车道末端)由西向东运行,行驶至洪山路口以西70米处(中心双黄实线起点)结束,将水马隔离墩由中央双黄线之间往南移动一个机动车道,实现东至西方向变为4车道,西至东方向变为2车道,其余时段按双向六车道正常运行,每天的运行时段及拉链车作业时间可根据具体流量变化进行实时调整。17:00-19:00期间,机动车应严格按照变更后的车道方向行驶。

19:00潮汐结束,19:00-19:30为拉链车恢复作业时间,该时间段内,拉链车在中心双黄线南侧车道内由东向西行驶,将水马隔离墩往北移动并恢复至道路中间双黄实线内,实现东至西方向恢复为3车道,西至东方向恢复为3车道。届时,根据车道及流量变化,交警也将适时对路口信号配时进行优化,最大限度提高整体通行效率。

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