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Speed Impacts of an Icy Curve Warning System
| 题名： | Speed Impacts of an Icy Curve Warning System |
| 作者： | Veneziano, D.; Ye, J.; Turnbull, I. |
| 关键词： | Highways##Traffic safety##Icy conditions##Road safety##Warning systems##Road curves##Weather conditions##Mountain passages##Motorists##Crashes##Pavement sensors##Speed data##Safety effects##Icy Curve Warning System (ICWS)##Fredonyer Pass (California)##California Oregon Advanced Transportation System (COATS) Project## |
| 摘要： | Weather has significant safety impacts on the roadway system. Icy pavements can significantly reduce the coefficient of friction between automobile tires and road surfaces, and impair the ability of drivers to operate their vehicles safely. Improving traffic safety under icy conditions is of importance to many state transportation departments. To this end, the California Department of Transportation (Caltrans) has deployed an Icy Curve Warning System (ICWS) on a five-mile 6 segment of State Route 36 in Lassen County. This section of roadway has a history as a high-crash location with fatal crashes, the vast majority of which occurred during icy pavement. The objective of this study was to evaluate operational effects of the ICWS, specifically on speeds during various conditions. |
| 总页数： | 18 |
| 报告类型： | 科技报告 |
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