Samenvatting
Traffic at night is not possible without traffic lighting. Usually one assumes that low-beam head lighting is adequate for cars to take part in traffic. However, the night time accident rates are considerably higher than the corresponding day time rates. Improving the lighting, e.g. by public lighting is a road safety measure. The effectiveness of public lighting as an accident countermeasure is usually assessed by means of before-and-after accident studies. One may conclude that good public lighting results in a reduction of some 25% to 35% of the night time injury accidents.