COVID-19对快速车道和通用车道运营绩效的影响
John H Kodi1, Angela E Kitali2, Emmanuel Kidando3
1Department of Civil and Environmental Engineering, Florida International University, Miami, FL.
概括
由于减少了交通量,COVID-19大流行改善了快速车道 (EL) 和通用车道 (GPL) 的旅行时间可靠性. 对GLL的影响比EL更为明显.
科学领域:
- 运输工程 运输工程
- 交通运营 交通运营
- 城市规划 城市规划
背景情况:
- 随着COVID-19的流行,旅行行为和运输系统的运作发生了重大变化.
- 快速车道 (EL) 和通用车道 (GPL) 的运行特性发生了变化.
研究的目的:
- 调查COVID-19大流行对EL和GPL运营绩效的影响.
- 在疫情之前和期间分析交通流量参数和旅行时间可靠性.
主要方法:
- 利用了来自佛罗里达州迈阿密I-955.5公里的5.5英里走廊的现场数据.
- 分析了交通流量参数 (速度,流量,占用率) 和旅行时间可靠性指标 (变化系数,规划时间指数).
- 开发了一种多变量贝叶斯增量回归模型来校准交通状况.
主要成果:
- 无论是EL还是GPL,都显示出较短的旅行时间变化,这表明在疫情期间可靠性有所改善.
- 在COVID-19期间交通量下降的原因是旅行时间可靠性提高.
- 通用车道 (GPLs) 受到大流行的影响比快速车道 (ELs) 更大.
结论:
- 随着COVID-19大流行,EL和GPL的旅行时间变得更加可靠.
- 运输机构可以利用这些发现来了解大流行对不同车道类型的影响.
- 洞察力可以为未来的交通管理策略和基础设施规划提供信息.
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