Fatal crash involvement by multiple-trailer trucks |
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| Institution: | 1. Department of Molecular Medicine and Medical Biotechnologies, Federico II University, Italy;2. Department of Business and Quantitative Studies, Parthenope University, Italy;3. Department of Computer Science, University of Salerno, Italy;1. Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences, Vavilova st. 32, 119991 Moscow, Russia;2. Landau Institute for Theoretical Physics of the Russian Academy of Sciences, Kosygina st. 2, 119334 Moscow, Russia;1. Research Faculty, Center for Urban Transportation Research, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL 33620, United States;2. Department of Civil and Environmental Engineering, University of South Florida, 4202 E. Fowler Avenue, ENG 207, Tampa, FL 33620, United States;1. Department of Civil Engineering, University of New Mexico, MSC01 1070, 1 University of New Mexico, Albuquerque, NM 87131, United States;2. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao’an Road, Shanghai 201804, China;3. Department of Civil and Environmental Engineering, University of Utah, 110 Central Campus Drive, 2137 MCE, Salt Lake City, UT 84112, United States;4. School of Transportation Science and Engineering, Harbin Institute of Technology, No. 73 Huanghe Rd., NanGang Dist., Harbin 150090, China;1. Oak Ridge National Laboratory, National Transportation Research Center, 2360 Cherahala Blvd, Knoxville, TN, 37932, USA;2. University of South Carolina, Department of Civil and Environmental Engineering, 300 Main St, Columbia, SC, 29208, USA;1. School of Civil and Construction Engineering Oregon State University, 309 Owen Hall, Corvallis, OR 97331-3212, USA;2. Department of Civil and Environmental Engineering, West Virginia University, Room 621 ESB, P. O. Box 6103, Morgantown, WV 26506-6103, USA |
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| Abstract: | Considerable uncertainty surrounds the relative safety of combination trucks with two or three trailers, compared to those pulling single trailers. This article uses data on conditions present in 5889 fatal crashes involving combination trucks to examine the extent to which these conditions vary for the two configurations. Using two complementary techniques, multiple classification analysis and automatic interaction detector, we evaluate the additive and interactive effects of these conditions. We conclude that multiple-trailer trucks are more likely to be involved in fatal crashes in the following conditions: darkness; snow, slush, or ice on the road surface; involvement of three or more vehicles, indicating at least moderate traffic volume; and higher-speed facilities with 65 to 75 mph limits. |
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