Volume III, Enhanced Night Visibility Series: Phase II - Study 1: Visual Performance During Nighttime Driving in Clear Weather

The Federal Highway Administration (FHWA) has released a report that examines the visual performance of drivers during nighttime driving in clear weather. The report was produced 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.  The overall goal of the 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.