Enhanced Night Visibility Series, Volume VII: Phase II--Study 5: Evaluation of Discomfort Glare During Nighttime Driving in Clear Weather

摘要

The overall goal of the Federal Highway Administrations (FHWA) Visibility Research Program is to enhance the safety of road users through near-term improvements of the visibility on and along the roadway. The program also promotes the advancement of new practices and technologies to improve visibility on a cost-effective basis. The following document summarizes the results of a study evaluating discomfort glare from various headlamp systems during nighttime driving in clear weather. The study was conducted under Phase II of the Enhanced Night Visibility (ENV) project, a comprehensive evaluation of evolving and proposed headlamp technologies under various weather conditions. The individual studies within the overall project are documented in an 18-volume series of FHWA reports, of which this is Volume VII. It is anticipated that the reader will select those volumes that provide information of specific interest. This report will be of interest to headlamp designers, automobile manufacturers and consumers, third-party headlamp manufacturers, human factors engineers, and people involved in headlamp and roadway specifications.