About 30,900 results
Open links in new tab
  1. AASHTO Association - Home

    2 days ago · The American Association of State Highway and Transportation Officials – is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the …

  2. About - AASHTO Association

    AASHTO is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all transportation modes: air, …

  3. American Association of State Highway and Transportation Officials

    The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway …

  4. AASHTO Standards | American Association of State Highway and ...

    The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway …

  5. ポルトガル語版AASHTO規格

    A AASHTO é a Associação Americana de Autoridades Estaduais de Rodovias e Transportes. A associação sem fins lucrativos e apartidária que representa os departamentos de auto-estradas e …

  6. AASHTO resource

    The AASHTO Accreditation Program formally recognized the competence of over 1,800 testing laboratories to perform specific tests on construction materials, enhancing customer confidence.

  7. AASHTO Guidance | FHWA - Federal Highway Administration

    Aug 6, 2025 · American Association of Highway and Transportation Officials (AASHTO) is a nonprofit association that represents highway and transportation departments across the nation and serves as …

  8. AASHTO (American Association of State Highway and …

    Representing all 50 states, the District of Columbia, and Puerto Rico, AASHTO serves as a liaison between state departments of transportation and the Federal government. AASHTO is an...

  9. AASHTO Soil Classification System - Wikipedia

    The AASHTO Soil Classification System was developed by the American Association of State Highway and Transportation Officials, and is used as a guide for the classification of soils and soil-aggregate …

  10. Standards - AASHTO resource

    AASHTO Accreditation requires legally accessed standards. AASHTO standards can be purchased through the AASHTO Store. AASHTO provides accredited laboratories with an exclusive discount …