The purpose of the WZDI is to develop a recommended practice for managing work zone event data (WZED) and to create a consistent language, through the development of a data dictionary and supporting implementation documents, for communicating information on work zone activity across jurisdictional and organizational boundaries. The effort promotes a stakeholder-driven and systems-driven perspective for WZED that allows for a better understanding of user needs from the practitioners' perspective and ultimately, a better approach to collecting national WZED.

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