References(14) Cited-By(2) Last years, people who are in charge of road lighting try to carry out energy savings but they do not really care about user considerations. This paper presents experimentation with observers, who were asked to assess the visibility of targets on the road surface under different levels of illumination (promoted by dimming). For our lighting installation, dimming does not influence the visibility of drivers very much and one can say that it affects less the visibility than the position of the target. Nevertheless, luminous flux reduction must be done with good and homogeneous lighting installation otherwise road users may have problems of visibility and comfort.
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