Safety and Operational Analysis with Mitigation Strategies for Freeway Truck Traffic in Wyoming
| 项目名称： | Safety and Operational Analysis with Mitigation Strategies for Freeway Truck Traffic in Wyoming |
| 摘要： | The goal of this study is to quantify impacts of truck traffic on selected freeway segments along I-80 in WY and propose potential mitigation strategies, through analyses of operational and safety implications that result from the interactions between trucks and passenger vehicles. A special attention will be given to the roadway geometry (horizontal and vertical alignment, as well as the existing climbing lanes) and traffic characteristics to identify impacts on traffic efficiency and safety. The analysis will include the effectiveness of existing climbing lanes, and identify potential locations where the introduction of climbing lanes will be justified. Other control strategies, such as different speed limits for trucks, truck lane restrictions along certain segments, and truck no-passing zones will also be analyzed. Differential speed limits for trucks have been implemented by some US states, so this study will review and summarize the state of practice and its effectiveness on operations and safety. Another potential issue with truck traffic on WY freeways is the speed limit of 80 mph along certain segments. This raises a concern of the ability of conventional truck tires to handle such high speeds. The study will investigate this issue through a review of literature and practice, as well as through crash data analysis to identify the potential relationship between truck tire failure and crash characteristics. |
| 状态： | Completed |
| 资金： | 143,184 |
| 资助组织： | Wyoming Department of Transportation |
| 管理组织： | Wyoming Department of Transportation |
| 项目负责人： | Carlson, Matt |
| 执行机构： | University of Wyoming, Laramie |
| 主要研究人员： | Ksaibati, Khaled |
| 开始时间： | 20180221 |
| 预计完成日期： | 20200331 |
| 实际结束时间： | 0 |
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