The National Highway System (NHS) is a network of strategic highways within the United States, including the Interstate Highway System and other roads...

controlled-access highways that forms part of the National Highway System in the United States. The system extends throughout the contiguous United States and has...

The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a...

Highways are split into at least four different types of systems in the United States: Interstate Highways, U.S. Highways, state highways, and county...

United States Numbered Highways are components of a national system of highways that is administered by the American Association of State Highway and...

national road Turkish State Highway System State Highways (Ukraine) National Routes of Uruguay National Highway System (United States) United States Numbered...

The National Park Service (NPS) is an agency of the United States federal government, within the U.S. Department of the Interior. The service manages...

primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or...

The United States Bicycle Route System (abbreviated USBRS) is the national cycling route network of the United States. It consists of interstate long-distance...

The National Trails System is a series of trails in the United States designated "to promote the preservation of, public access to, travel within, and...