Priority rule signalization under two visibility conditions: Driving simulator study on speed and lateral position |
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| Institution: | 1. UHasselt - Hasselt University, Transportation Research Institute (IMOB), Agoralaan, 3590 Diepenbeek, Belgium;2. Vias Institute, Haachtsesteenweg 1405, 1130 Brussels, Belgium;3. UHasselt - Hasselt University, Faculty of Engineering Technology, Agoralaan, 3590 Diepenbeek, Belgium;1. University of Alabama at Birmingham, Translational Research for Injury Prevention Lab, 916 19th Street South, Birmingham, AL 35244, United States;2. University of Alabama at Birmingham, Department of Psychology, 1300 University Blvd, Birmingham, AL 35294-1170, United States;1. Anderson Orthopaedic Clinic, Arlington, VA, USA;2. Georgetown University Hospital, Washington, DC, USA;3. Rothman Institute, Philadelphia, PA, USA;4. Eastern Virginia Medical School, Norfolk, VA, USA;5. Clinical Practices of the University of Pennsylvania, Philadelphia, PA, USA;6. Panorama Orthopedics, Golden, CO, USA;1. Department of Psychology and Educational Science, Arak University, Arak 38156-8-8349, Iran;2. University of Alabama at Birmingham, Department of Psychology, USA;3. The Center for Injury Research and Policy, The Research Institute at Nationwide Children’s Hospital, USA;4. Department of Electronic, Science and Research Branch, Islamic Azad University, Bojnord, Iran;1. Department of Psychology, University of Bologna, Viale Europa 115, 47521 Cesena, FC, Italy;2. Department of Electrical, Electronic and Information Engineering “Guglielmo Marconi” (DEI), via Venezia, 52, 47521 Cesena, FC, Italy;1. LAMIDED, Universite de Sousse, Sahloul 4, BP 526 Sousse, Tunisia;2. College of Administrative Sciences, Najran University, BP. 1988 Najran, Saudi Arabia;1. Department of Psychology, University of Bath, BA2 7AY, UK;2. Instituto de Psicologia, Universidade de São Paulo, Butantã, State of São Paulo 03178-200, Brazil |
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| Abstract: | In literature, priority-controlled and right-hand priority intersections have rarely been compared on other elements than the number of right-of-way violations and collisions. This study investigates the effect on speed and lateral position of five priority rules under two visibility conditions at an intersection (without hierarchy between branches), which is, at this moment, a knowledge gap.Fifty participants drove five different routes in a simulator and were exposed to the following manipulations: priority to the right rule applying and indicated (road sign and road sign with road marking), priority to the right rule applying but not indicated (no sign), priority to the right rule not applying and indicated (priority road and priority at next intersection), under good and bad visibility.Results show a significant speed decrease for both situations where the priority to the right rule was indicated compared to situations with no priority to the right rule, especially when visibility was bad. Priority to the right signs with additional road marking resulted in lowest speed under both visibility conditions. For all priority rules, lateral position shifted more towards the middle of the road when visibility was bad.Since speed was higher in case of priority roads or roads with priority at next intersection, it can be concluded that a higher level of control (priority-controlled intersections) does not necessarily result in a traffic safety improvement. Therefore, policy makers should take into account the results of this study and not generally change all the priority to the right intersections by priority-controlled intersections. |
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| Keywords: | Driving simulator Priority rule signalization Intersection Speed Lateral position Visibility |
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