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An evaluation of traffic control devices and driver distraction on driver behavior at railway-highway grade crossings
University of Massachusetts Amherst, USA.
University of Massachusetts Amherst, USA.
University of Massachusetts Amherst, USA.
2016 (English)Conference paper (Refereed)
Abstract [en]

The U.S. railroad system is made up of over 700 railroads operating on 140,000 miles of track, with more than 130,000 at-grade public railway-highway crossings, or intersections in which any part of a roadway intersects with railroad tracks. Safety at these railroad-highway grade crossings and the related traffic control devices used to communicate with drivers is of major concern. There are three factors that influence a driver’s behavior at a given crossing. First, traffic control devices, including warning devices at the railway-highway at-grade crossings, provide the driver with information.  Second, assuming that the driver identifies the warning, the driver’s prior knowledge influences his or her expectancy regarding various railroad-highway grade crossing situations and, therefore, the way in which the driver responds to the hazard presented by the crossing.  Finally, the driver’s own physiological (e.g., impaired) and psychological (e.g., distracted) state will modify the role that conspicuity and expectancy have on the driver’s behavior In order to address the gap that exists in our understanding of driver distraction at railway-highway at-grade crossings, two driving simulator experiments were conducted to determine the role that distraction has on the effectiveness of warning devices at grade crossings. In the first experiment, the role of distraction in reducing the benefit of typical crossbucks and flashing lights is evaluated.  Participants were either engaged or not engaged in a distracting task, which included either a mock cell phone conversation or an in-vehicle task. Based upon the fact that distractions reduce the advantage of flashing lights and crossbucks, an evaluation of an alternative treatment that might be used to warn drivers of an approaching train was conducted. The question being addressed is whether these alternative markings, known as dynamic envelope pavement markings are an effective application for mitigating the effects of driver distraction at at-grade railway-highway grade crossings.  Initial findings point to the fact that even when flashing lights and its respective signage and markings are properly working, a distracted driver is more likely to ignore the cues.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2016. 1-7 p.
National Category
Vehicle Engineering
Research subject
URN: urn:nbn:se:vti:diva-10636OAI: diva2:927921
17th International Conference Road Safety On Five Continents (RS5C 2016), Rio de Janeiro, Brazil, 17-19 May 2016
Available from: 2016-05-13 Created: 2016-05-13 Last updated: 2016-05-13Bibliographically approved

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