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高速路有限速低达35km/h 交警:就是为保安全(图)

2016-05-23 07:49:55   陈庆晨报

沪渝高速一进湖北境内,最高限速80km/h的标牌非常醒目。 本报记者 卢雨 摄

释疑

复杂路况与设计时速决定限速标准

5月17日,湖北省高警五支队及其下属恩施大队的民警告诉本报记者,高速交警作为管理部门,只是按照这条高速路的设计时速来进行限速管理的。

设计时速为何要设定在80km/h?参与设计的湖北省交通规划设计院第三勘察设计分院院长夏齐勇今年3月接受当地记者采访时进行了解释。

夏齐勇介绍,设计时速是公路设计的一项重要技术指标,由道路的等级确定,而道路等级是由交通流量和发展规划来确定。

恩施地势层峦叠嶂,地形起伏变化大,沪渝高速鄂西段沿线地质极其复杂,存在大量的滑坡、危岩体、岩溶等不良地质,公路在线型布设时,受制约因素很多。因此,80km/h的设计时速不仅基于恩施地区高速的特殊地理条件,也是根据国家及湖北省交通规划和当地经济社会发展规划等资料,结合规划道路区域的实际交通流量以及对高速公路建成后未来20年交通流量进行预测后,对高速公路的技术标准进行论证,之后再经过多次专家会论证后上报发改委批复确定的。

努力

鄂西段提速建议经重新论证未获批

湖北省高速交警五支队违法处理窗口前,贴着《全省高速公路限速值一览表》,这是2014年10月1日湖北省高速公路调整限速值后的最新限速标准。当时提速的有4个路段,降速的有2个桥梁路段。

“在湖北仍有8条高速公路路段限速为80km/h,特别是山陡弯急的宜昌、恩施境内,高速路的限速都较低。”恩施大队民警透露,恩施州政协就鄂西段提速问题写提案的事情他们也知道。“当时湖北省还请了参与设计的专家过来重新论证,但后来还是没有通过。”

今年初,湖北省高速交警五支队向媒体通报数据称,沪渝高速鄂西段自2009年通车以来,每年都会发生多起交通事故。以2016年春运期间为例,共发生交通事故1000余起,其中超过五成是由于超速引发,超速驾驶成为沪渝高速鄂西段的“头号凶手”。

民警表示,鄂西段限速80km/h、隧道限速60km/h、个别特长隧道限速40km/h,并在此基础上测速并根据相关法规录入超速20%以上的违法行为,其目的就是为了保安全、防事故,绝不是网友所理解的“为完成指标或任务”。

本报记者卢雨(来源:重庆晨报)

责任编辑:孙启浩 cn037
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