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每個(gè)路口都遇紅燈，運氣太差？交警：“紅波帶”了解一下

2019-08-27 14:33來(lái)源：晶報

（二）紅波帶

駕車(chē)過(guò)路口，居然連續碰到紅燈了？難道信號燈是故障了嗎？

非也非也！這是“紅波帶”在工作啦！

高峰時(shí)段，可能在某路段上已經(jīng)出現車(chē)輛多次排隊的現象，即形成了瓶頸，極容易引發(fā)交通癱瘓。

為了將路網(wǎng)的壓力均衡分布，采用信號控制策略延遲車(chē)輛抵達瓶頸路段的時(shí)間，俗稱(chēng)“紅波帶”。

紅波帶控制策略的基本思路是以瓶頸交叉口為終點(diǎn)，建立上游流向的信號紅波帶，使得上游到達的車(chē)輛在每個(gè)交叉口連續停車(chē)，增加上游車(chē)輛到達瓶頸交叉口的行程時(shí)間，把流量均勻截流在上游各個(gè)交叉口，從而減輕瓶頸交叉口的交通壓力。

相應的，也會(huì )有“綠波帶”，遇上綠波帶，司機只要按照正常速度開(kāi)，會(huì )連續綠燈一路暢行，有一種人生“開(kāi)掛”的感覺(jué)！

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