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  1. Federal Highway Administration

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  2. National Highway System Questions & Answers | Federal Highway ...

    Sep 25, 2012 · Answer 1: The "enhanced NHS" is a term used to refer to the National Highway System that was expanded or enhanced by MAP-21. The term "enhanced NHS" is a general …

  3. National Highway Freight Network - FHWA Freight Management …

    This resource depicts all Interstate System routes that will eventually be reflected in the forthcoming NHFN maps and tables during periodic updates in accordance with the HPMS …

  4. National Statistics and Maps - FHWA Freight Management and …

    Data Sources - Provides links to many of the sources of these statistics and maps. North American Transportation Statistics - A compilation of information on transportation and …

  5. Map - Large View - High Priority Corridors - National Highway …

    Jun 28, 2017 · Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse U.S. DOT Home | USA.gov | …

  6. Compilation of Existing State Truck Size and Weight Limit Laws

    Compilation of Existing State Truck Size and Weight Limit Laws - FHWA Freight Management and Operations

  7. National Highway Freight Network, 2022- Individual State Maps …

    National Highway Freight Network, 2022- Individual State Maps and Tables You can view individual state maps and tables of the National Highway Freight Network, as designated on …

  8. Major Truck Routes on the National Highway System: 2040 Map

    U.S. Department of Transportation, Federal Highway Administration, Office of Freight Management and Operations, Freight Analysis Framework, version 3.4, 2013. PDF files can …

  9. The National Network - FHWA Freight Management and Operations

    Both are about the same length, roughly 200,000 miles, but the National Network includes approximately 65,000 miles of highways beyond the NHS, and the NHS includes about 50,000 …

  10. Interstate System - Design - Federal Highway Administration

    May 11, 2016 · Planning for what is now known as the Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called "The Interstate System," began in the late …