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AASHTO Journal

State DOTs Urge Congress to Move Project Funding Via Highway, Transit Formulas

Feb 23, 2018
​The organization representing all state departments of transportation has called on Congress to route new infrastructure appropriations through ...

NATSO Board Calls for ‘Long-Term, Sustainable’ Funding Solution in Infrastructure Plans

Feb 23, 2018
The board of directors for the NATSO – the association representing U.S. truck stops and travel plazas – said ...

Direct from the Source

Releases from AASHTO and State DOTs

AASHTO Looks Forward to Working with White House to Speed Project Delivery and Long-term Transportation Investment Strategies

Feb 12, 2018
​WASHINGTON – The American Association of State Highway and Transportation Officials today issued the following statement in response to ...

AASHTO Reacts to President Trump’s State of the Union Address

Jan 30, 2018
WASHINGTON – The American Association of State Highway and Transportation Officials today reacted to President Donald J. Trump’s ...

AASHTO Board Elects Tennessee’s Schroer, President, Utah’s Braceras, VP and Arkansas’ Bennett, Secretary-Treasurer

Sep 28, 2017
​PHOENIX - The American Association of State Highway and Transportation Officials' Board of Directors today elected Tennessee Department ...

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Multi-modal design philosophies have been described using a variety of names, including context sensitive solutions; practical design and complete streets. Regardless of the name, the ultimate goal is always to design a safe transportation system that supports a greater quality of life and robust economy.

Bud WrightAASHTO Executive Director

America’s Transportation Awards showcase the outstanding transportation projects that improve travel and quality of life in the United States. Through these awards, we recognize state DOTs for their diligent efforts to help improve the quality of life and economic prosperity in communities across the country.

Paul TrombinoAASHTO President, and Director, Iowa DOT

Featured Publication

  • AASHTO LRFD Bridge Design Specifications, 8th Edition

    MBI-2 Cover Final_TTV

    These specifications cover the design, evaluation, and rehabilitation of highway bridges. The design provisions of these specifications employ the Load and Resistance Factor Design (LRFD) methodology, which is based on structural reliability theory, and calibrated to achieve a target level of reliability. Updates to this edition include:

    • A completely updated and revised Section 5 on Concrete Structures (Appendix E5, comparing the 7th and 8th Edition versions of this Section can be .....
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  • AASHTO LRFD Bridge Construction Specifications, 4th Edition

    MBI-2 Cover Final_TTV

    The AASHTO LRFD Bridge Construction Specifications are intended for use in the construction of bridges. The specifications employ the Load and Resistance Factor Design (LRFD) methodology, and are designed to be used in conjunction with the AASHTO LRFD Bridge Design Specifications.  Revisions from the 3rd edition of this title include a complete revision of Section 3, Temporary Works, and changes to Section 10, Prestressing; Section 11, Steel Structures; Section 19, Bridge Deck Joint .....
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  • Movable Bridge Inspection, Evaluation, and Maintenance Manual, 2nd Edition

    MBI-2 Cover Final_TTV
    This manual presents uniform guidelines and procedures pertaining to the unique structural, mechanical, electrical, and operational characteristics of movable highway bridges. The manual was developed for bridge engineers, inspectors, and maintainers charged with operational and maintenance responsibilities for these complex structures. Commentary adjacent to the text provides suggestions on implementing the guidelines and procedures, and directs the reader to additional sources of information. This manual supersedes the 1998 first edition.
  • A Guide for Achieving Flexibility in Highway Design, 1st Edition

    MBI-2 Cover Final_TTV

    Context-sensitive solutions (CSS) reflect the need to consider highway projects as more than just transportation facilities. Depending on how highway projects are integrated into the community, they can have far-reaching impacts beyond their traffic or transportation function. CSS is a comprehensive process that brings stakeholders together in a positive, proactive environment to develop projects that not only meet transportation needs, but also improve or enhance the community. Achieving a flexible, context-sensitive design solution requires .....
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  • Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards, Single User Web-Based One-Year Subscription

    MBI-2 Cover Final_TTV

    The AASHTO Materials Book contains specifications, test methods, and provisional standards commonly used in the construction of highway facilities.

    It is available as a one-year online subscription. When you subscribe, you will automatically receive access to all updates published during your subscription period, as well as access to recent past editions, with changes between editions highlighted for ease of reference.

    The Materials Book is updated three times per year, in .....
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About AASHTO

AASHTO – The American Association of State Highway Transportation Officials – is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and maintenance of an integrated national transportation system.

AASHTO works to educate the public and key decision makers about the critical role that transportation plays in securing a good quality of life and sound economy for our nation. AASHTO serves as a liaison between state departments of transportation and the Federal government. AASHTO is an international leader in setting technical standards for all phases of highway system development. Standards are issued for design, construction of highways and bridges, materials, and many other technical areas.