State highways in Virginia
The state highway system of the U.S. state of Virginia is a network of roads maintained by the Virginia Department of Transportation (VDOT). As of 2006, VDOT maintains 57,867 miles (93,128 km) of state highways[1], making it the third-largest system in the United States.[2] Interstate Highways, totaling 1118 miles (1799 km) in Virginia,[1] are freeways designated by the Federal Highway Administration and numbered by the American Association of State Highway and Transportation Officials. They are in a special class with respect to federal funding. These Interstate Highways are as follows: Primary highways, totaling 8111 miles (13,053 km),[1] consist of U.S. Routes, designated and numbered by the American Association of State Highway and Transportation Officials, and primary State Routes, designated and numbered by VDOT. Alternate, business, and bypass bannered routes, as well as wye connections (with a “Y” suffix appended to the number), are all considered primary routes.