Distance perception of vehicles in fog
CAVALLO ; DORE ; COLOMB ; LEGOUEIX
Type de document
CHAPITRE D'OUVRAGE (CO)
Langue
anglais
Auteur
CAVALLO ; DORE ; COLOMB ; LEGOUEIX
Résumé / Abstract
The paper presents two fog chamber experiments in which subjects (n=21 and n=20) had to estimate the distance of vehicles depending on visibility conditions and rear fog light configurations. Results showed that distance perception in dense fog was notably altered: compared to clear weather conditions, the estimated distance of vehicles increased by about 60% and variability of estimates doubled. Distance perception was improved when two fog lamps were available (rather than one, as permitted by the European regulation) and when the separation of lamps was maximal.
