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Pedestrian Injury Model


The Vehicle-Pedestrian Injury Collision Model predicts change in the number of collisions resulting in pedestrian injury or death associated with area-level changes in street, land use and population characteristics due to new development or transportation system changes. SFDPH uses this model to inform the need for pedestrian safety mitigations and improvements in the course of land use and transportation planning, to prevent people from being injured or killed by motor vehicles while walking on San Francisco streets. Significant predictors (census-tract level variables) in the current model are:

  • Traffic volume
  • Arterial streets (%, without MUNI Transit)
  • Neighborhood commercial areas (%, land area)
  • Land area (square miles)
  • Employee population
  • Resident population
  • Below poverty level (%, population)
  • Age 65 and older (%, population)

Primary Toolkit:

Healthy Community Design Toolkit

Keyword Area:

Active Living, Community Design, Injury Prevention, Land Use, Physical Activity, Planning, Policies, Traffic Safety


Institutional Author:

San Francisco Department of Public Health Program on Health, Equity and Sustainability




The NACCHO Toolbox is a repository of available resources to help local public health practitioners. Tools are produced by local, state, and federal agencies, as well as academic institutions and other stakeholders. The contents of this Toolbox are solely the responsibility of the authors and do not necessarily reflect any official recommendations of NACCHO. NACCHO makes no express or implied warranty with respect to the contents and disclaims liability for any damages arising from or connected to the use of the material in this Toolbox.