Safety in Numbers: A Literature Review [Traffic Tech]

NHTSA - Behavioral Safety Research2022PDFBriefUnited States. Department of Transportation. National Highway Traffic Safety Administration. Office of Behavioral Safety ResearchUnited States. Department of Transportation. National Highway Traffic Safety AdministrationUnited StatesPedestriansCyclistsWalkingBicyclingCrash exposureTraffic volumeSafety in numbersDOT HS 813 280Traffic TechThis Traffic Tech briefly summarized a literature review conducted on the concept of Jacobsen\u2019s 2003 \u201cSafety in Numbers\u201d (SIN) theory of an inverse relationship between the extent of walking/bicycling and the probability of motorist collisions with pedestrians or bicyclists. The literature review described research leading to development of the SIN concept and the subsequent work to test and expand upon the theory and considered fields of study including engineering, planning and land use, sociology, psychology, education, public health, enforcement, human factors, and others.136