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Evaluation of Rumble Stripes. Research rept.
| 题名： | Evaluation of Rumble Stripes. Research rept. |
| 作者： | Agent-K.R. |
| 关键词： | *Rumble-stripes; *Evaluation-.;Installation-; Road-shoulders; Two-lane-roads; Audible-warning. |
| 摘要： | Lane departure has been shown to be a major cause of serious traffic crashes. Installing a rumble strip on the shoulders of two lane roads provides drivers with an audible warning that they are leaving their lane of travel. Painting the edge line on the rumble strip has the possible benefit of providing more wet, nighttime delineation through the portion of the edge line painted on the sloped portion of the groove. The objectives of this study were to: a) monitor the initial installations of rumble stripes and b) evaluate the results of rumble stripe installations. The crash data show that the most common type of crash before the installations was a single vehicle type of crash. This is the type of crash that shoulder rumble stripes are designed to reduce. There was a very small percentage of opposite direction type of crash. The results of the current evaluation support additional installations of rumble stripes. The crash history at the original installations will be monitored. Recommendations relating to the installation procedure were made to consider for future rumble stripe installations. |
| 报告类型： | 科技报告 |
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