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地铁老线不断冲出新速度
2017-08-11 04:14:04 中国青年网
地铁人开启了各种“抢”时间的模式。一位一线地铁人说:“细化每一个流程,抢时间。比如早晚高峰的时候要在扶梯、换乘通道增岗,提前疏导,提前宣传。每个步骤节约1秒,列车运行就会更顺畅。”
网络配合精准速度
缩短发车间隔后,7时30分,昌平线沙河站外,依旧常规限流,乘客自觉排着队缓慢前行。该站值班站长艾迪在这儿干了3年,赶上过两次昌平线缩短发车间隔。他心里有笔账:“最明显的效果是看车。您瞅,现在能看到对面儿窗户了。原来列车塞得满,人挤人的,有时候压根看不到车厢对面儿。”
“限流”的紧箍为何不干脆解除?西二旗站负责人说:“不能光考虑西二旗站,也不能光看昌平线,还要看其他站其他线的承载力,避免高峰期间站台大量乘客滞留。”
这就是网络化运营带来的最直接的效果——每一座车站不再是各自为政,一条线的前后站,甚至多条线的相邻站之间都需要互相配合、制约,以求达到最佳运量。北京地铁直言,网络化,也是最近一段时间地铁线路缩短发车间隔的“卡点”。“有些线路,比如昌平线等具备更短的发车间隔,但得考虑到与其相连的13号线承载能力。”如今,地铁老线提速更多是考虑与路网的匹配度。
10年间,多数城区线跑进2分钟,其他提速的尝试也在不断进行着,比如大站快车、定点发空车等。本周,随着6号线早高峰发车间隔从2分53秒缩短到2分31秒,该线草房站的空车时刻表也一并发布。从5时15分至8时29分,该站将有27趟空车陆续发出。
交通部门曾经给出远景描述:大部分城区线路和重点线路最小发车间隔控制在2分钟,这也是目前世界各大城市里地铁的发车间隔“极值”。目前,1号线、2号线、4号线、5号线、6号线、10号线、13号线、八通线等线路已经跑到2分钟量级。
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