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RED LIGHT VIOLATIONS AND CRASHES AT URBAN INTERSECTIONS.
| 题名： | RED LIGHT VIOLATIONS AND CRASHES AT URBAN INTERSECTIONS. |
| 作者： | Datta-TK; Schattler-K; Datta-S |
| 关键词： | All-red-intervals; Automated-enforcement; Before-and-after-studies; Behavior-modification; Cameras-; Detroit-Michigan; Drivers-; Red-light-running; Right-angle-collisions; Signalized-intersections; Traffic-accidents; Traffic-violations |
| 摘要： | High approach speeds coupled with aggressive driving often lead to the running of red lights at intersections. When motorists see a yellow light as they approach an intersection, they are supposed to stop unless such sudden stopping is unsafe. Entering an intersection during the red signal is a citable offense, and several states are working to legalize video detection and enforcement using red light violation camera systems. Such enforcement is targeted toward driver behavioral modification; in the absence of an all-red interval the motorist who enters an intersection during the red signal runs an extremely high risk of being struck by cross-street traffic. A study was performed in the city of Detroit, Michigan, to compare the red light violation characteristics of intersections with properly designed all-red intervals and those intersections without all-red intervals. In the absence of before violation data, a comparative parallel experimental study was used. It was hypothesized that providing an all-red interval following a yellow change interval would reduce right-angle crashes. A before-and-after crash analysis was performed at the all-red-interval treatment sites (sites that targeted a reduction of right-angle and injury crashes). The analysis indicated significantly lower red light violations at the treatment sites. The analysis also indicated an extraordinary reduction in right-angle and injury crashes. This study demonstrated that substantial benefits, in terms of reducing red light violations and right-angle crashes, can be achieved by introducing a well-designed all-red interval. |
| 总页数： | Transportation Research Record. 2000. (1734) pp52-58 (1 Fig., 3 Tab., 8 Ref.) |
| 报告类型： | 科技报告 |
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