Identification of Locations and Causes of Unreliable Travel Times on Virginia Freeways
| 项目名称： | Identification of Locations and Causes of Unreliable Travel Times on Virginia Freeways |
| 摘要： | Road networks are increasingly being monitored to understand and improve travel time reliability. However, traditional calculation methods have disregarded the interdependent nature of links in a network by focusing on individual link unreliability. This project proposes to overcome those concerns by (1) exploring a systemic approach to calculating network travel time reliability, (2) screening and ranking links that are highly correlated with network unreliability, and (3) clustering such links for effective selection and implementation of mitigation measures, and for improved before after studies. The systemic approach also preserves the timestamps associated with unreliable network travel times, and helps identify their causes. |
| 状态： | Active |
| 资金： | 212328 |
| 资助组织： | Virginia Transportation Research Council |
| 执行机构： | Virginia Transportation Research Council |
| 开始时间： | 20200415 |
| 预计完成日期： | 20211031 |
| 主题领域： | Highways；Operations and Traffic Management；Planning and Forecasting |
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