Clinical psychology and highway safety may not have a great deal in common, but Patricia F. Waller, staff associate of the Highway Safety Research Center of the University of North Carolina, switched from the former to the latter in 1967 and has not regretted it. This is a reprint of an article that appeared in the Profiles section of the Winter 1974 issue of the Highway Research News, the precursor to today’s TR News. As part of TRB’s year-long centennial celebration and in commemoration of Women’…