Vision Zero San Francisco - Page 7

Vehicle Speed & Risk of Serious Injury Speed is a common factor of fatal collisions involving vehicles and was cited as the primary factor in 20 percent of all severe and fatal collisions reported from 2008 to 2012 (SFPD SWITRS). Greater speeds reduce field of vision, increase required braking distance and result in exponentially higher fatality rates. Speed reduction is a key action the city will be pursuing; however, that will only address part of the problem— If hit by a person driving at: traffic fatalities are a multi-pronged issue requiring a multi-pronged solution. Through engineering, education, enforcement, evaluation and policy improvements, the City will reduce speeding, improve visibility for all street users and increase awareness of the problem. Together, these strategies will empower people to make safer decisions and inspire a culture change emphasizing traffic safety. Person Survives the Collision 20 MPH 90% 30 MPH 40 MPH Results in a Fatality 10% 60% 20% 40% 80% U.S Department of Transportation, Literature Reviewed on Vehicle Travel Speeds and Pedestrian Injuries. March 2000. City and County of San Francisco 7