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U.S. Department of Transportation/Federal Highway Administration
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Work Zone Activity Data (WZAD): Data Dictionary Report

The draft document below provides digital descriptions of work zone activities that enable and support transportation agencies and third-party providers to describe and communicate work zone-related information to agency, private sector, and public users timely and seamlessly across multiple jurisdictions and regions.

Questions? Please contact Todd Peterson (todd.peterson@dot.gov), FHWA Work Zone Management Team Transportation Specialist and Project Manager for the WZDI.

Download the latest DRAFT Data Dictionary ​​​​​​​