| 基于交通安全的高速公路出口区域限速确定方法研究 |
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| 引用本文： | 盛彦婷,孔令旗,郭忠印.基于交通安全的高速公路出口区域限速确定方法研究[J].交通与计算机,2006,24(6):51-55. |
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| 作者姓名： | 盛彦婷 孔令旗 郭忠印 |
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| 作者单位： | 同济大学,上海,200092 |
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| 摘 要： | 高速公路出口区域分流车辆常因不能充分减速高速驶入匝道，而引发追尾事故。文中应用微观仿真软件Vissim模拟沪蓉高速公路宜昌至恩施方向野山关出口处交通流状况，提出了一种改善出口处行车安全的分段限速方式，并对几种限速措施的效果进行了评价。
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| 关 键 词： | 出口区域 限速 不安全密度指数 Vissim交通仿真 |
| 收稿时间： | 2006-08-16 |
| 修稿时间： | 2006-11-04 |
Freeway Off-ramp Areas Speed Limit Method Based on Traffic Safety |
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| SHENG Yanting,KONG Lingqi,GUO Zhongyin.Freeway Off-ramp Areas Speed Limit Method Based on Traffic Safety[J].Computer and Communications,2006,24(6):51-55. |
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| Authors: | SHENG Yanting KONG Lingqi GUO Zhongyin |
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| Institution: | Tongji University, Shanghai 200092, China |
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| Abstract: | In Freeway off-ramp areas, vehicles driving to ramp often can not decelerate sufficiently, and will lead to front-rear accidents. In this paper, micro-simulation software Vissim is used to simulate the traffic flow condition of a freeway exit called Yeshanguan. A new speed limit method is presented to improve traffic safety and the effect of the control measures is evaluated. |
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| Keywords: | off-ramp areas speed limit unsafe density parameter Vissim traffic simulation |
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