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Pedestrian volume predicts pedestrian injuries. Pedestrian risk decreases with pedestrian flow.
Leden L. 2002. Pedestrian risk decreases with pedestrian flow: A case study based on data from signalized intersections in Hamilton, Ontaria. Accident Analysis and Prevention 34:457-464.
Agran PF, Winn DG, Anderson CL, Tran C, Del Valle CP. 1996. The role of physical and traffic environment in child pedestrian injuries. Pediatrics 98(6 pt 1):1096-1103.
One study found that the highest pedestrian density at intersections (50 - 300 pedestrians per hour) coupled with the lowest vehicle density (1-75 vehicles per hour) equated with the lowest risk of pedestrian injury (< 0.1 injuries per 100,000 pedestrians).
Leden L. 2002. Pedestrian risk decreases with pedestrian flow: A case study based on data from signalized intersections in Hamilton, Ontaria. Accident Analysis and Prevention 34:457-464.
Greater population density is related to higher pedestrian injury.
LaScala EA, Johnson FW, Gruenewald PJ. 2001. Neighborhood characteristics of alcohol-related pedestrian injury collisions: A geostatistical analysis. Prevention Science 2(2):123-134.
A motorist is less likely to collide with a person walking and bicycling if more people walk and bicycle.
Jacobsen PL. 2003. Safety in numbers: More walkers and bicyclists, safer walking and bicycling. Injury Prevention 9:205-209.
An analysis in Oakland, CA, showed that the risk for pedestrian-vehicle collisions was smaller in areas with greater pedestrian flows and the risk was greater in areas with higher vehicle flows.
Geyer J, Raford N, Ragland D, Pham T. 2005. The continuing debate about safety in numbers – data from Oakland, CA. UC Berkeley Traffic Safety Center: UCB-TSC-RR-TRB3. Available at HYPERLINK "http://repositories.cdlib.org/cgi/viewcontent.cgo?article=1029&context-its/tsc" http://repositories.cdlib.org/cgi/viewcontent.cgo?article=1029&context-its/tsc.