From the winter of 2003/2004 until 2009/2010,the Dutch Ministry of Transport and Public Works has annually measured cyclists’ lighting. The research results provide insight into the effects of public road safety campaigns. From 2009/2010 onwards, the research frequency has been brought down to once in every two years; hence, new data were collected in the winter of 2011/2012. In conditions of darkness (< 3 lux) and twilight (3 to 26 lux) the lighting of cyclists was observed visually, distinguishing front/rear light, and situations of lighting/non-lighting (switched off or non-existent). Also, it was observed whether the bicycle lighting was according to existing and official regulations or not. During the December 2011/January 2012 research, lighting of in total 16,978 cyclists was observed and recorded. 65% of all cyclists observed had their lights on front and rear. This figure is 3% lower than two years before. Over a longer period of time, there seems to be a stabilization of the increase in lighting. In December 2011/January 2012, 61% of the cyclists observed had their lights on according to regulations. Cities vary in bicycle lighting. On average, lighting is lower in the four largest Dutch cities (Amsterdam, Rotterdam, Den Haag, Utrecht) than elsewhere in the Netherlands. Also, lighting according to the regulations is lower in the four largest cities. There is a relationship between age class and bicycle lighting. Youngsters and young adults are relatively less lighted on the bicycle than older age groups. During darkness (< 3 lux) cyclists more often use lighting than during twilight (3 to 26 lux). Bicycle lighting in morning hours is slightly higher than in evening hours. During the December 2011/January 2012 research, 98% of the lighted cyclists had their front as well as their rear lights attached to the bicycle. New regulations, introduced November 1st, 2008, allow to lights to be attached to the upper body. However, this broadening of the rules is not utilized much. The share of correctly lighted cyclists, i.e., according to the regulations, has increased with 1%, thanks to the new regulation. (Author/publisher)
Samenvatting