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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/24392

Title: Influence of daytime running lamps on visual reaction time of pedestrians when detecting turn indicators
Authors: Peña-García, Antonio
Oña, Rocío de
Espín, Antonio M.
Aznar, Fernando
Calvo, Francisco J.
Molero, Evaristo
Oña, Juan de
Issue Date: 2010
Abstract: Introduction: This article describes one experiment that studied the influence of Daytime Running Lamps (DRL) on pedestrian detection of turn indicators. Method: An experimental device including one DRL and one turn indicator was used in order to determine Visual Reaction Times (VRT) of 148 observers in different situations involving turn indicator activation. Such situations were combinations of three main variables: color of DRL, separation between DRL and Turn Indicator, and observation angle. Results: Significant changes in VRT were found depending on the configurations above, especially the observation angle and the color of DRL. This second result demonstrates that amber DRLs inhibit the detection of Turn Indicators. Impact on industry: One of the main targets of this paper is to recommend that carmakers introduce only white DRLs on new vehicles. We also intend to advise regulatory bodies working on automotive regulation about the consequences of allowing amber DRLs and also about the danger of introducing constrains on the distance between DRL and Turn Indicator without further experimental evidences.
Sponsorship: Department of Civil Engineering, University of Granada, Spain
Publisher: Elsevier
Keywords: Headlamp
Daytime running lamp
Turn indicator
Visual reaction time
URI: http://hdl.handle.net/10481/24392
ISSN: 0022-4375
Citation: Peña-García, A. et al. Influence of daytime running lamps on visual reaction time of pedestrians when detecting turn indicators. Journal of Safety Research 41(5): 385–389 (2010). [http://hdl.handle.net/10481/24392]
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