1. Pedestrian Facts,2002
2. Carthy, T., Packham, D., Salter, D., Silcock, D., 1995. Risk and Safety on the Roads: The Older Pedestrian. University of Newcastle Upon Tyne: Report Prepared for the AA Foundation for Road Safety Research.
3. Visual information and skill level in time-to-collision estimation;Cavallo;Perception,1988
4. Priorities in EU Road Safety: Progress Report and Ranking of Actions,2000
5. Child pedestrians’ crossing gap thresholds;Connelly;Accid. Anal. Prev.,1998