M.P. Hagenzieker; SWOV Institute for Road Safety Research Stichting Wetenschappelijk Onderzoek Verkeersveiligheid SWOV
As part of the discussion on whether daytime running lights (DRL) should be introduced in the Netherlands as a rule of conduct, arguments - pro and con - often relate to visual perception. Central to this report is the question of when "positive" and "negative" effects may be expected with DRL. In order to understand the relationship between both types of effects, one model is presented inwhich all types of studies are included. In general, it can be said that the higher the adaptation luminance, the greater the luminous intensity (of DRL lamps) should be to realise further "improvement" -in terms of detection, gap acceptance of assessment of visibility. Subsequent studies should weigh up the need to avoid glare and the need to improve visual performance, in order to arrive at an "optimal" choice for the luminous intensity of DRL lamps. In addition to visual perception aspects, attention will also need to be directed towards more cognitive processes, decision-making and ultimately behaviour in traffic.
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R-90-43. - Ref. : p. 42-47. - with footnotes. - On behalf of the Department of Road Transport (RDW) of the Ministry of Transport and Public Works = Rijksdienst voor het Wegverkeer van het Ministerie van Verkeer en Waterstaat