887 followers
887 followers
@LukeEva44111088 @vinceoutlaw @stokesga @fietsprofessor @StreetsblogCal Vince your profile says you are based in San Diego This paper discusses ethic disparities in helmet use in San Diego and elsewhere. https://t.co/09nMYb1p79
657 followers
Bicycle helmet laws do increase helmet use, but not equally across all sectors of society. https://t.co/AuHQzP6uEW