United States Department of Transportation
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Social and Economic Effects of Elevated, Depressed, and At-Grade Level Freeways in Texas
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1997-11-01
[PDF-20.88 MB]
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Edition:Interim: September 1992 - August 1996
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Abstract:To answer questions being raised by abutting residents and businesses about proposed elevated and/or depressed freeway improvements in the urban and suburban areas of Texas, a four-year study has been conducted to estimate the social, economic, and environmental effects of such freeway designs. Eight existing, two under construction, and one approved-for construction freeway sections have been studied on a before-, during-, and after construction basis. The sections selected for study range from being in predominately residential suburban areas to predominately commercial-industrial downtown areas. The specific effects of the three types estimated for each study section include: (1) social impacts: population changes, neighborhood accessibility, neighborhood cohesion; (2) economic impacts: relocation and mitigation costs, business sales, property uses and values, tax revenues, employment, and income and user costs; and (3) environmental impacts: aesthetics, drainage and erosion, noise and air pollution, vibration, and hazardous spills. The literature review and a survey of highway agencies in other states were used to determine the appropriate procedures or models and mitigation measures to implement in estimating the social, economic, and environmental impacts of elevated and depressed freeways.
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