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AASHTO-American Association of State Highway and Transportation Officials
American Association of State Highway and Transportation Officials (AASHTO) Standards
The American Association of State Highway and Transportation Officials (AASHTO) is a leading organization that develops and publishes technical standards, specifications, guidelines, and industry resources for the transportation sector.
AASHTO standards cover a wide range of applications, including highway design, road construction, bridge engineering, transportation infrastructure, maintenance, public transit, railways, aviation, and water transportation.
Engineers, contractors, transportation agencies, and industry professionals rely on AASHTO publications to support infrastructure planning, design, construction, inspection, and maintenance while promoting safety, quality, and consistency across transportation projects.
At e-Standards Portal, you can explore AASHTO standards, technical specifications, and related publications to find the technical information you need for your engineering and transportation projects.
AASHTO AAB-1-2008 PDF
Transportation agencies are increasingly going above and beyond to connect and enhance both communit..
AASHTO ABC-1-2018 PDF
AASHTO ABC-1: Many state DOTs and the Federal Highway Administration are actively promoting accelera..
AASHTO AGIP-1-2024 PDF
The AASHTO Guide for Interlocking Pavements, First Edition (2024), synthesizes research and practice..
AASHTO APH-2-2018 PDF
This handbook was developed to educate key customers and partners on the benefits and methods of ado..
AASHTO ARRA-1-2010 PDF
On February 17, 2009, President Barack Obama signed the American Reinvestment and Recovery Act into ..
AASHTO ARRA-2-2010 PDF
5The transportation investment in stimulus is working and in every state across the nation. More tha..
AASHTO ATG-4-2009 PDF
AASHTO ATG-4, AASHTO Transportation Glossary, 4th Edition (2009), updates and revises the 1983 Trans..
AASHTO BAS-1-2010 PDF
AASHTO BAS-1, Bridge Aesthetics Sourcebook: Practical Ideas for Short- and Medium-Span Bridges (Nove..
AASHTO BLR-4-2009 PDF
This report is a comprehensive assessment of the nation's surface transportation needs and provides ..
AASHTO BPA-1-2021 PDF
Developed by the AASHTO Committee on Bridges and Structures, this Guide is intended to offer guidanc..