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Enhanced Decision-Making Framework Using Reliability Concepts for Freeway Facilities
| 题名： | Enhanced Decision-Making Framework Using Reliability Concepts for Freeway Facilities |
| 正文语种： | 英文 |
| 作者： | Washington State Univ;North Carolina State Univ |
| 作者单位： | Ali Hajbabaie;Seyedbehzad Aghdashi;Nagui M.Rouphail |
| 关键词： | Travel time reliability; Decision-making framework; Highway capacity manual |
| 摘要： | This paper presents a decision-making framework based on a travel time reliability methodology developed under the U.S. Strategic Highway Research Program. Existing methods consider a set of predefined prevailing conditions for the analysis of freeway facilities as the base case. However, a reliability analysis accounts for multiple recurring and nonrecurring congestion sources to estimate the travel time distribution over a long time horizon. This approach considers variations in traffic demand levels, inclement weather conditions, and incidents that occur stochastically on a freeway facility. Several performance measures are defined based on the travel time distribution, which comprehensively cover the full range of operational conditions on the system. Based on the proposed decisionmaking framework, mobility strategies can be identified, evaluated, and improved. |
| 出版年： | 2016 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.142 |
| 期： | No.4 |
| 页码： | 04016008 |
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