An analysis is made of the driver's forward vision requirements. Various methods for relating vehicle geometry to these vision requirements are examined. Several of these methods were found to have some potential as design tools to assist automotive engineers in placing rear vision systems, determining the proper size and shape for vehicle daylight openings, and providing a means for evaluating windshield wiping and defrosting patterns. In this study, the relative importance of various vision zones is based on published vision performance and traffic information.
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