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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 R 83-22 PDF
This practice covers the use of a Superpave gyratory compactor (SGC) to prepare 100-mm-diameter by 1..
AASHTO R 84-17 PDF
This practice describes testing and analysis for developing a dynamic modulus master curve for aspha..
AASHTO R 85-18 PDF
This practice outlines the procedures for quantifying cracking distress at the network level in asph..
AASHTO R 86-18 PDF
This practice outlines the procedures for collecting images of pavement surfaces utilizing automated..
AASHTO R 87-18 PDF
This practice outlines a method for deriving pavement deformation parameters such as rut depth and c..
AASHTO R 88-18 PDF
This practice outlines a method for collecting pavement transverse profile, including its relationsh..
AASHTO R 89-18 PDF
This practice describes the requirements for accreditation bodies that evaluate and accredit agencie..
AASHTO R 9-05 PDF
Incorporates the January 2025 Errata Definition of Acceptance Plan – An agreed-upon method of taking..
AASHTO R 90-18 PDF
This practice covers the procedures for obtaining representative samples of coarse, fine, or combina..
AASHTO R 91-18 PDF
This standard covers the determination of aggregate source and source blend shape characteristics us..