An Evaluation of the Effect of Sign Brightness on the Sign-Reading Behavior of Alcohol-Impaired Drivers
- 1 February 1976
- journal article
- research article
- Published by SAGE Publications in Human Factors: The Journal of the Human Factors and Ergonomics Society
- Vol. 18 (1) , 45-52
- https://doi.org/10.1177/001872087601800105
Abstract
The purpose of this investigation was to evaluate the relationship between highway sign brightness and alcohol impairment under night driving conditions. Sign brightness was controlled by varying sign reflectivity and headlight brightness. Data were collected under controlled conditions with the subjects actually driving the vehicle. The dependent measure was the correct reading distance. Three blood alcohol concentrations (BAC's) were investigated: sober, 0.08%, and 0.15%. Fourteen subjects participated under a different BAC on each of three separate nights.Keywords
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