The role of preference in speed choice |
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| Affiliation: | 1. Instituto Universitario de Desarrollo Regional, Universidad de La Laguna, Facultad de CC Económicas y Empresariales, Campus de Guajara, 38071 San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain;2. Campus de Excelencia, Universidad de La Laguna, Santa Cruz de Tenerife, Spain;1. Politecnico di Torino – Department of Environment, Land and Infrastructures Engineering, 24, corso Duca degli Abruzzi, Torino, I-10129, Italy;2. University of Maryland – Department of Civil and Environmental Engineering, 3250, Kim Building, 20742 College Park, MD, United States;3. Politecnico di Torino – Department of Energy, 24, corso Duca degli Abruzzi, Torino, I-10129, Italy;1. School of Psychology, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor, Malaysia;2. Malaysian Institute of Road Safety Research (MIROS), Lot 125–135, Jalan TKS 1, Taman Kajang Sentral, 43000 Kajang, Selangor, Malaysia;1. Division of Data and Analytics, Virginia Tech Transportation Institute, Blacksburg, VA 24061, United States;2. Center for Vehicle Systems and Safety, Viginia Tech, Blacksburg, VA 24061, United States;1. Delft University of Technology, Faculty of Industrial Design Engineering, The Netherlands;2. Delft University of Technology, Biomechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, The Netherlands;1. The George Institute for Global Health, Sydney Medical School, The University of Sydney, PO Box M201, Missenden Rd, Camperdown, NSW, 2050, Australia;2. School of Science and Health, The University of Western Sydney, Penrith, NSW, 2751, Australia;3. Safer Roads Consulting, 53 Lachlan St, Thirroul, NSW, 2515, Australia;4. Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Level 10, Kolling Building 6, Royal North Shore Hospital, St Leonards, NSW, 2065, Australia;5. Neuroscience Research Australia (NeuRA), Margarete Ainsworth Building, Barker St, Randwick, NSW, 2031, Australia;6. Transport and Road Safety Research (TARS), Level 1, West Wing, Old Main Building, University of NSW, Sydney, NSW, 2052, Australia |
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| Abstract: | Individual differences with regard to speed preference may be a source of speed heterogeneity and conflicts in traffic, such as tailgating and dangerous overtaking. The main aim of the current study was to explore drivers’ speed preferences when driving for different reasons (saving money on fuel, driving safely, driving for fun or driving as usual) and the relationship of these preferences to observed speeds and self-reported speed. 193 drivers were interviewed at five different locations, and were asked about their speeds on roads they had just travelled. Drivers’ speeds on these roads were also sampled with a speed gun. The results showed large differences between speeds chosen for different driving purposes; the lowest speeds were chosen when the goal was economy and the highest when driving for fun. In addition, there were individual differences in speed preferences such that some drivers indicated that their usual speed was above what they believed was a safe speed while others indicated that they usually drove even slower than what they thought was safe. These differences may account for much of the speed heterogeneity observed in on-road behaviour. The results also showed that drivers’ speed choices are highly influenced by their usual speeds, even more so than their beliefs regarding what constitutes a safe speed, which may help explain non-compliance with speed limits. No relationship was found between speed choice and risk perception. |
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| Keywords: | Speed variability Speed preference Speed choice |
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