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Bicycle Collision Analysis - Active Communities Plan (March 2023)

Friday, March 10, 2023

This memo summarizes the methodology and key findings for the first of two crash analyses being conducted as part of the San Francisco Municipal Transportation Agency's Active Communities Plan. These analyses aim to answer two primary questions:

  • Step I Analysis: Who, where, when, and why of crashes involving bicyclists and other human-scale wheeled road users?
  • Step II Analysis: What are the modifiable risk factors associated with (fatal and severe) bicyclist crashes?