Case Studies of Transportation Investment to Identify the Impacts on the Local and State Economy

Status:  Complete
Report Date:  01/31/2013


Four case studies of transportation projects were evaluated to determine their impact on local economic activity. Researchers found no evidence of statistically significant impacts on earnings and employment, although a broader evaluation of user benefits may be appropriate in determining their value. These case studies support the suggestion that highway networks in the United States are largely mature, and new investment is subject to diminishing economic returns.

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