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According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than one sub-system):
As of 1989, the United States Numbered Highways system had a total length of 157,724 miles (253,832 km). [3] Except for toll bridges and tunnels , very few U.S. Routes are toll roads .
May 27, 2010 · Today, there are more than 250 million cars and trucks in the United States, or almost one per person.
- Executive Summary.
- Introduction (PS-1) 2.1. Selected measures for identifying peer states. PS-1.
- Bridges. 3.1. Overview. 3.2. National tables. 3.2.1. Bridges by Wearing Surface. BR-3. 3.2.2. Bridge by Year Built. BR-4. 3.2.3. Count, Area, Length of Bridges by Highway System.
- Highway Infrastructure. 4.1. Overview. 4.2. Multi-year trends & charts. 4.2.1. Public Road Mileage and VMT, 1920 - 2020 - Chart. VMT-421C. 4.2.2. Public Road Mileage, Lane Miles and VMT, 1980 - 2021 - Chart.
United States Numbered Highways are components of a national system of highways that is administered by the American Association of State Highway and Transportation Officials (AASHTO) and the various state departments of transportation.
Federal Highway Administration (FHWA) Provides stewardship over the construction, maintenance and preservation of the Nation’s highways, bridges and tunnels. National Highway Traffic Safety Administration (NHTSA) Responsible for keeping people safe on America’s roadways. List additional actions Federal Motor Carrier Safety Administration ...
The Federal Highway Administration (FHWA) provides stewardship over the construction, maintenance and preservation of the Nation's highways, bridges and tunnels. FHWA also conducts research and provides technical assistance to state and local agencies to improve safety, mobility, and to encourage innovation. Learn More About FHWA.
