Drainage (1 - 1 of 1 item) in Custom Date Range
Information on Materials and Practices for Improving Highway Pavement Performance
GAO-13-32R: Published: Nov 14, 2012. Publicly Released: Nov 14, 2012.
The nation's more than 4 million miles of roads are key to the economy, facilitating the movement of goods and people. Although highways are highly durable and can last for decades, they deteriorate from traffic wear and tear, inadequate drainage, construction deficiencies, and weather. Keeping them in good condition requires substantial resources: public entities spent more than $180 billion in 2...