title: Safety in Numbers for walkers and bicyclists: exploring the mechanisms.
authors.affiliation: Sacramento, California, USA.
authors.forename: Peter Lyndon
authors.initials: PL
authors.lastname: Jacobsen
authors.affiliation: Safe Transportation Research & Education Center, Institute of Transportation Studies, School of Public Health, University of California, Berkeley, California, USA.
authors.forename: David R
authors.initials: DR
authors.lastname: Ragland
authors.affiliation: Komanoff Energy Associates, New York, New York, USA.
authors.forename: Charles
authors.initials: C
authors.lastname: Komanoff
mesh_terms: D000063:Accidents, Traffic / Q000517:prevention & control*; D001642:Bicycling / Q000293:injuries / Q000706:statistics & numerical data*; D006801:Humans; D000069636:Pedestrians / Q000706:statistics & numerical data*; D018570:Risk Assessment / Q000379:methods*; D012449:Safety; D016138:Walking / Q000293:injuries*