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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11916

Title: Warning signs as countermeasures to camel-vehicle collisions in Saudi Arabia
Authors: Al-Ghamdi, AlGadhi, S.A. A.S.,
Keywords: Camel-crossing warning sign; Camel-vehicle collision; Saudi Arabia
تاريخ النشر: 2004
Publisher: Copyright © 2003 Elsevier Ltd. All rights reserved.
Citation: Accident Analysis and Prevention Volume 36, Issue 5, September 2004, Pages 749-760
Abstract: The camel-vehicle collision (CVC) problem has been increasing in Saudi Arabia and countermeasures are urgently needed to alleviate the heavy losses from such accidents. A research project was funded by the Saudi Arabian government to investigate the problem and to develop techniques to deal with it. Among the different techniques investigated were camel-crossing warning signs. In this study, seven camel-crossing warning signs were tested to determine if they would reduce the number of CVCs on rural roads. The measure of effectiveness utilized was the mean speed reduction of motorists passing such signs. In this paper, the experiments of warning sign testing are detailed, and the evaluation of the signs, based on the results of the testing experiments, is presented. Although most of the signs brought about significant reductions in mean speed, indicating statistical effectiveness, the speed reductions were not relatively large; they ranged from around 3 to about 7km/h. Furthermore, statistical analysis was used to rank the signs according to their effectiveness. A triangular warning sign with a black camel silhouette and diamond reflective material (220cm × 220cm × 220cm) is recommended in this study. This sign is similar to the standard warning sign used in Saudi Arabia except that it is twice the standard size and uses diamond reflective material. © 2003 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/123456789/11916
ISSN: 00014575
يظهر في المجموعات:College of Engineering

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