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AASHTO Journal
WYDOT’s Panos Offers Autonomous Vehicle Insight at Senate Hearing
Jun 15, 2018
The implications for changes in highway infrastructure driven by the wider deployment of connected and automated vehicles must ...
Cybersecurity Strategy May Differ Based on IT Structure of State DOTs
Jun 15, 2018
As cybersecurity becomes an issue of greater concern at the national level – a concern prompting the Department of ...
Direct from the Source
Releases from AASHTO and State DOTs
WisDOT Traffic Advisory: Flooding closes highways in northern Wisconsin (Updated 5:30 p.m.)
Jun 17, 2018
WisDOT Traffic Advisory: Flooding closes highways in northern Wisconsin (Updated 5:30 p.m.)
Jun 17, 2018
Five Western States Honored in National Transportation Competition
Jun 13, 2018
RAPID CITY, S.D. – Outstanding state department of transportation projects that tested innovative ways to improve driver safety ...
AASHTO’s Executive Director Announces Retirement
May 24, 2018
WASHINGTON, D.C. – The American Association of State Highway and Transportation Officials announces that Executive Director Frederick G. “...
AASHTO Mourns Loss of Former Colleague Dr. Anthony R. (Tony) Kane
May 17, 2018
WASHINGTON – Staff and members of the American Association of State Highway and Transportation Officials this week mourned the ...
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Featured Publication
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AASHTO LRFD Bridge Design Specifications, 8th Edition
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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- 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
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
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
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
The AASHTO Materials Standards contain specifications, test methods, and provisional standards commonly used in the construction of highway facilities.
They are 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 Standards are updated three times per year, .....
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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.