Technical Liaison Committee

Using Observational Before-After Studies to Evaluate Road Safety Projects

• Project Coordinator: Alireza Hadayeghi
  Volunteer Team Members: Members go here
• Overview:
  The main objective of this document is to provide practitioners with a quick reference guide to conduct a valid Before-After study and provide techniques for evaluating safety improvements.
• Progress:
  Launch: 2007
  Draft Report: submitted to ITE for review, fall 2007
  Revision for review: ITE Annual Conference, 2009
  Publish as Technical Brief: fall 2009
• Download Published Before-After Studies Report (PDF: 101KB)

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