The written driver-licensing examination as a technique in driver selection.

Tentative standards for diver licensing were proposed by the National Highway Safety Agency in February 1967. These standards require that drivers be re-examined at least every four years for visual acuity and knowledge of signs signals and laws of the road and that the examination on the laws of the road be written. This study was conducted in Illinois to obtain a valid and reliable instrument capable of testing a person's knowledge and understanding of the material in the Illinois Pales of the road.