To improve environmental analysis of indirect land use impacts of highway capacity improvements, this study analyzed the land use and growth patterns of 20 Oregon communities over 20 years. Using a Geographic Information System and aerial photos, growth patterns were categorized and mapped. Factors related to land use and transportation were evaluated for their relationships to resulting growth patterns. These relationships were further investigated in four in-depth case studies of development prior to, during, and after construction of a highway capacity improvement. Additional case studies are currently underway. The primary product of this research will be guidance for completing an assessment of the indirect impacts on land use and growth of a highway improvement. This assessment is required by environmental regulations, but tools and data for developing general land use forecasts is limited. The guidebook will include examples from the case studies, data types and possible sources, and guidance on using GIS tools for comparing alternative scenarios. Interim reports are available via the Research Internet web site. Additional case studies and a final report are scheduled to be published in the fall of 2000.
To improve environmental analysis of indirect land use impacts of highway capacity improvements, this study analyzed the land use and growth patterns ...
To improve environmental analysis of indirect land use impacts of highway capacity improvements, this study analyzed the land use and growth patterns ...
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