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Diane Publishing Books
Information on Materials and Practices for Improving Highway Pavement Performance
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Lorelei St. James (au)
The nation's more than 4 million miles of roads are key to the economy, facilitating the movement of goods and people. Keeping them in good condition requires substantial resources: public entities spent more than $180 billion in 2008 on highways, with about $40 billion coming from the federal government. Despite these outlays, the Fed. Highway Admin. (FHWA) estimates that these funding levels are insufficient to maintain or improve the condition of the nation's highways through 2028. Further, the major source of federal surface transportation funding -- federal motor fuel tax revenues deposited into the Highway Trust Fund -- is eroding. It is estimated that, as of March 2012, to maintain current spending levels and account for inflation from 2013 to 2022, the Highway Trust Fund will require more than $125 billion over what it is expected to take in during that period. State highway agencies, the entities that are ultimately responsible for keeping most major highways in good repair, will need to develop strategies for doing so at reduced costs. One potential strategy is using more cost-effective materials and practices. This report describes (1) selected materials and practices that states can use or are using to improve the performance of pavements, including what is known about their costs and benefits, if any; and (2) challenges, if any, to using these materials and practices. Tables and figures. This is a print on demand report.
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