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Our Nation's Highways: 2008

Figure 1-3. The National Highway System

Our National Highway System (NHS) is a network of roadways that is important to the Nation’s economy, defense, and mobility. The NHS includes all Interstate highways (arterials), the Strategic Highway Network (defense purpose), intermodal connectors (roads connecting to major intermodal facilities), and other principal arterials. Currently, the NHS includes more than 160,000 miles of highway.

See paragraph above for explanation of Figure 1-3

Data represented in the inset chart
Table in Excel format

Data Source: U.S. Department of Transportation, Federal Highway Administration.

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Tianjia Tang
Office of Highway Policy Information
E-mail Tianjia


United States Department of Transportation - Federal Highway Administration