Work Zone Mobility and Safety Program


The authors of this report greatly appreciate the time, information, insights, and access provided by representatives of the following public agencies:

  • District of Columbia Department of Transportation
  • Texas Department of Transportation
  • Michigan Department of Transportation
  • Arkansas State Highway and Transportation Department
  • North Carolina Department of Transportation.

The authors also greatly appreciate the cooperation and assistance with data collection and archiving as provided by the following vendors:

  • ASTI Transportation Systems Incorporated
  • Give 'Em A Break Safety
  • International Road Dynamics
  • Protection Services Incorporated
  • Scientex Corporation
  • United Rentals Highway Technologies.

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