United States Department of Transportation
i
The Role of Life Cycle Assessment in Reducing Greenhouse Gas Emissions from Road Construction and Maintenance [Policy Brief]
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2015-07-01
[PDF-571.85 KB]
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Edition:Policy Brief
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Abstract:The United States has more than 2.65 million miles of paved public roadways that provide mobility and access to a range of users and facilitate the flow of goods and services upon which our economy relies. However, operating this extensive network (including construction and maintenance) comes at a cost. In 2008, roughly $182 billion was spent on highways alone. Most pavement surfaces need periodic maintenance and structures eventually need rehabilitation, the costs of which are often not considered when building new roads. There is also growing recognition of the environmental impacts from the use, construction, and demolition of our roadways.
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