Abstract
This study took a regional approach to the economic impacts of bypasses. The study considered not only how the bypassed communities were affected but also how areas surrounding these communities were affected and whether these impacts differed. Zip code–level data were collected for three states in the Midwest: Illinois, Indiana, and Ohio. This area contained more than 60 bypasses of variably sized communities. The study focused on the manufacturing sector, which made up a major portion of the economy in this region. With a synthesis of economic theory and transportation systems analysis, spatial panel econometric models were estimated to determine whether these communities were significantly affected with respect to employment, establishment, and payroll levels. The findings of this study provided insight into the magnitude of the impacts of bypasses as well as how these impacts varied over space.
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