Center for Transportation Studies, University of Minnesota
This report summarizes the findings of a study of scoping processes conducted in state departments of
transportation (DOTs) in the U.S. The study focused specifically on scoping conducted as part of
implementation of the National Environmental Policy Act (NEPA) for various types of transportation projects.
The intent was to identify variation in approaches to scoping in DOTs across the U.S. and to identify the
outcomes of scoping on later steps in the environmental review process, through the use of an online survey
methodology. In addition, the study asked state DOTs to evaluate their own approaches to scoping. To
supplement the national review of scoping practices, four case studies of recent scoping processes conducted by
the Minnesota Department of Transportation (Mn/DOT) were completed. The key findings of the study
provide insights into the range of approaches used for scoping in state departments of tr
Center for Transportation Studies,
University of Minnesota
Slotterback, Carissa Schively; Sloper, Susan.
Scoping in Environmental Review for Transportation Projects: A Study of NEPA Scoping Methods and Outcomes in State Departments of Transportation.
Center for Transportation Studies, University of Minnesota.
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