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在没有信号的十字路口进行安全评估的新方法:在异质的交通条件下,将空间指标集成到侵入后的时间分析中

George Kennedy Lyngdoh¹, Suprava Jena¹

¹Department of Civil Engineering, National Institute of Technology Silchar, Silchar, India.

Traffic injury prevention

|November 18, 2024

概括

一个新的动态入侵后时间 (DPET) 指示器有效地评估复杂的无信号交叉点的安全风险. 该方法使用空间和时间数据,准确预测交通冲突,并加强道路安全策略.

科学领域:

交通工程是交通工程.
道路安全分析道路安全分析
运输系统运输系统

背景情况:

由于交通繁忙,混合车型和各种驾驶行为,没有信号的十字路口带来了复杂的安全挑战.
准确评估潜在的危险需要了解在异质的交通条件下驾驶员的行为.

研究的目的:

开发和评估一个新的安全指标,用于无信号交叉路口,包括空间和时间变量.
评估动态后入侵时间 (DPET) 在捕捉异质交通环境中的交通冲突方面的有效性.

主要方法:

引入了动态后入侵时间 (DPET) 来整合空间和时间流量数据.
在印度阿萨姆州的六个没有信号的十字路口采集车辆轨迹数据 (位置,速度,转向角度).
应用了极端价值理论 (EVT) 的峰值超过值 (POT) 方法,并通过四年的撞车数据进行了验证.

主要成果:

使用POT方法的0.7秒的共同门有效地识别了严重的冲突.
用EVT验证的DPET方法估计了比观察到的更多的碰撞,这表明它对极端事件的敏感性.
图形分析证实了观察到的机数据与EVT衍生的估计数据之间存在强烈的相关性.

结论:

将空间变量集成到入侵后的时间分析中,为评估没有信号的十字路口的交通冲突提供了更强大的方法.
通过对事故数据验证DPET模型的验证证明了其在改善道路安全方面的实际应用性.
这些发现支持这种先进的冲突分析技术在交通管理系统中广泛实施的潜力.

关键词:

没有信号的十字路口.崩数据崩数据崩数据极端价值理论是一个极端价值理论.侵占后时间侵占后时间替代安全措施替代安全措施轨迹数据轨迹数据轨迹数据

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