Abstract
One of the questions confronting both the appropriate authorities and scientific researchers concerns the most suitable lighting for vehicles on roads with (fixed) lighting systems. Especially when the lights at the front of the car are involved, this question proves to have many facets. A completely satisfactory answer to the question can not be given as yet; however, the directions in which a reasonably applicable answer can be sought are indicated. f.i. the "city beam ". Short version of B 18171.