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  1. blogs.umb.edu › buildingtheworld › roadwaysFederal Highway System, United States - Building the World

    By 1998, the interstate system comprised 74,567 kilometers (46,334 miles) of roads. Clearly, American preferred the highways to the byways; the entire National Highway System (interstates plus federally aided highways) totaled 257,645 kilometers or 160,093 miles and accounted for 24% percent of U.S. vehicular travel.

  2. www.asce.org › publications-and-news › civilHow the interstate highway system connected — and in some ...

    May 29, 2014 · Social engineering. Building the interstates gave engineers a chance to show off their skill, designing and constructing 41,000 mi of highways, 16,000 entrances and exits, and, according to Lewis,“nearly 55,000 bridges and overpasses and scores of tunnels.”

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  4. en.wikipedia.org › wiki › HighwayHighway - Wikipedia

    The United States has the world's largest network of highways, including both the Interstate Highway System and the United States Numbered Highway System. At least one of these networks is present in every state and they interconnect most major cities.

  5. 99percentinvisible.org › article › american-highwaysAmerican Highways 101: Visual Guide to U.S ... - 99% Invisible

    Apr 30, 2018 · The United States Numbered Highway System (also known as U.S. Routes or U.S. Highways) forms a nationwide grid that dates back to 1926. Route numbers and locations are coordinated by the American Association of State Highway and Transportation Officials.

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  6. www.cdc.gov › mmwr › volumesMotor Vehicle Crash Deaths — United States and 28 Other High ...

    In 2019, the population-based death rate in the United States (11.1 per 100,000 population; 36,355 deaths) was the highest among the 29 high-income countries and was 2.3 times the average rate of the 28 other high-income countries (4.8).

  7. www.transportation.gov › sites › dotNational Roadway Safety Strategy - Department of Transportation

    Introduction to the National Roadway Safety Strategy. The United States Department of Transportation National Roadway Safety Strategy (NRSS) outlines the Department’s comprehensive approach to significantly reducing serious injuries and deaths on our Nation’s highways, roads, and streets.

  8. www.cdc.gov › mmwr › volumesOverview and Methods for the Youth Risk Behavior Surveillance

    Apr 27, 2023 · The Youth Risk Behavior Surveillance System (YRBSS) is the largest public health surveillance system in the United States, monitoring a broad range of health-related behaviors among high school students.