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Evaluation of Major Street Speeds for Minnesota Intersection Collision Warning Systems.
| 题名： | Evaluation of Major Street Speeds for Minnesota Intersection Collision Warning Systems. |
| 作者： | Hallmark, S. L.; Thapa, R.; Pinto-Nunez, M.; Knickerbocker, S.; Hawkins, N.; Bilek, A. |
| 关键词： | Warning systems, Crash avoidance systems, Traffic conflicts, Minnesota(State), Intersection Collision Warning Systems (ICWS), Traffic safety, Unsignalized intersections, Evaluation |
| 摘要： | This study is a complement to Evaluation of Intersection Collision Warning Systems in Minnesota (2017-18), which was published in October 2017. That project evaluated behaviors such as type of stop for drivers on the minor approach in the presence of intersection collision warning systems (ICWS). This project was a follow-up to that study and compared speeds along the major street approaches at ICWS treatment sites after installation of the system to determine whether the ICWS provided any measurable impact on speed when drivers on the major street were presented with a message from the system (activated) versus when drivers were not presented with a message (not activated). The study found that mean and 85th percentile speeds were lower on the major approach when the ICWS was activated compared to when it was not activated. However, the differences were minor. As a result, the system is expected to reduce speeds, but only a modest impact is expected in terms of mainline drivers. |
| 报告类型： | 科技报告 |
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