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AASHTO Journal

State DOTs Work to Keep Transportation System Open

Mar 27, 2020
To keep the nation’s transportation network functioning in the face of the Coronavirus pandemic, state departments of ...

Federal Coronavirus Rescue Bill Includes Transportation Funding

Mar 27, 2020
The Senate passed the $2 trillion Coronavirus Aid, Relief, and Economic Security or CARES Act on March 25 by a ...

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Direct from the Source

Releases from AASHTO and State DOTs

AASHTO Campaign Links Greater Transportation Investment to Nationwide Benefits

Mar 3, 2020
Website Identifies State DOT Projects Making Travel Faster and Safer and the Environment and Economy Stronger and Better ...

AASHTO Applauds Congress for Saving Billions for Transportation

Nov 22, 2019
WASHINGTON – The American Association of State Highway and Transportation Officials thanked Congress and the President for their bipartisan ...

New AASHTO President to Emphasize Transportation Safety and Funding

Oct 9, 2019
Missouri DOT’s Patrick McKenna Elected AASHTO President;New Hampshire DOT’s Victoria Sheehan VP ST. LOUIS – The ...

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AASHTO is a great association. I believe in the issues we stand for and I love working for the state DOTs. They are the ones that build, operate and maintain the facilities that are the backbone of our transportation system.

Jim TymonAASHTO Executive Director

Featured Publication

  • A Policy on Geometric Design of Highways and Streets, 7th Edition, Single User PDF Download

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    A Policy on Geometric Design of Highways and Streets, 7th Edition, 2018, commonly referred to as the “Green Book,” contains the current design research and practices for highway and street geometric design. This edition presents an updated framework for geometric design that is more flexible, multimodal, and performance-based than in the past. The document provides guidance to engineers and designers who strive to make unique design solutions that meet the needs of all highway and street .....
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  • Manual for Bridge Evaluation, 3rd Edition

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    This manual has been developed to assist bridge owners by establishing inspection procedures and evaluation practices that meet the National Bridge Inspection Standards (NBIS). The manual has been divided into eight sections, with each section representing a distinct phase of an overall bridge inspection and evaluation program. This edition updates Sections 3: Bridge Management Systems; 4: Inspection; 6: Load Rating; and 7: Fatigue Evaluation of Steel Bridges.
  • AASHTO LRFD Bridge Construction Specifications, 4th Edition, with 2020 Interim Revisions

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    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 Seals; and Section 27, Concrete Culverts.
  • 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 downloaded below) * New, simplified steel .....
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  • Manual for Assessing Safety Hardware, Second Edition, Single User PDF Download

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    This manual encourages consistency in testing and evaluation of roadside safety features. It includes a new matrix for cable barrier testing on slopes, modifications to several test vehicle dimensions, and updated test documentation requirements.

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 transportation modes, including air, highways, public transportation, active 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.