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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 T 319-22 PDF
This standard describes a procedure for the extraction and recovery of asphalt binder from asphalt m..
AASHTO T 32-10-2011 PDF
This specification has been discontinued and is no longer available. Please refer to ASTM C 67 for t..
AASHTO T 320-22 PDF
This standard provides performance-related test procedures for the determination of stiffness and pe..
AASHTO T 321-22 PDF
This standard provides procedures for determining the fatigue life and fatigue energy of 380 mm long..
AASHTO T 322-07 PDF
Incorporates the January 2025 Errata This standard provides procedures for determining the tensile c..
AASHTO T 323-03 PDF
AASHTO T 323-03 (2020) covers the determination of the interface shear strength of a drilled concret..
AASHTO T 324-23 PDF
This test method describes a procedure for testing the rutting and moisture-susceptibility of asphal..
AASHTO T 325-22 PDF
This standard provides procedures for estimating concrete strength in roads, bridges, and other tran..
AASHTO T 326-22 PDF
This method describes the determination of the loose uncompacted void content of a sample of coarse ..
AASHTO T 327-22 PDF
This method covers a procedure for testing coarse aggregate for resistance to abrasion using the Mic..