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    • 160,955 miles

      • The legislation designated about 160,955 miles (259,032 km) of roads, including the Interstate Highway System, as the NHS.
      en.wikipedia.org › wiki › National_Highway_System_(United_States)

      National Highway System (United States) - Wikipedia

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  3. en.wikipedia.org › wiki › National_Highway_SystemNational Highway System (United States) - Wikipedia

    The legislation designated about 160,955 miles (259,032 km) of roads, including the Interstate Highway System, as the NHS.

  4. hepgis-usdot.hub.arcgis.com › pages › nationalNational Highway System | HEPGIS

    May 15, 2024 · The National Highway System (NHS) includes the Interstate Highway System as well as other roads important to the nation's economy, defense, and mobility. The NHS was developed by the Department of Transportation (DOT) in cooperation with the states, local officials, and metropolitan planning organizations (MPOs).

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  6. en.wikipedia.org › wiki › United_States_NumberedUnited States Numbered Highway System - Wikipedia

    New additions to the system, however, must "substantially meet the current AASHTO design standards ". [4] 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.

  7. www.fhwa.dot.gov › planning › national_highway_systemFederal Highway Administration

    We would like to show you a description here but the site won’t allow us.

  8. www.fhwa.dot.gov › policyinformation › statisticsHighway Statistics 2021 - Policy | Federal Highway Administration

    • 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.

  9. www.transportation.gov › roadways-and-bridgesRoads and Bridges | US Department 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 ...

  10. nap.nationalacademies.org › read › 115352 History and Status of the U.S. Road System | Assessing and ...

    Present U.S. Road Network. There are approximately 4 million miles of public roads in the United States and 8.3 million lane miles. The majority (76% of lane miles) of paved public roads in the United States are two-lane rural highways, and the remainder are urban and rural multilane roads.

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