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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 339-22 PDF
This method is designed for the determination of the isocyanate (NCO) content of the resin system fo..
AASHTO T 340-23 PDF
This method describes a procedure for testing the rutting susceptibility of asphalt mixtures using t..
AASHTO T 341-22 PDF
This test method covers determination of compression capacity of profile wall plastic pipe in the st..
AASHTO T 342-22 PDF
This test method covers procedures for preparing and testing hot mix asphalt (HMA) to determine the ..
AASHTO T 343-12 PDF
AASHTO T 343-12 (2020) covers the in-place determination of the total density and relative compactio..
AASHTO T 344-22 PDF
This practice covers the procedure for the evaluation of the Superpave gyratory compactor (SGC) inte..
AASHTO T 345-12 PDF
AASHTO T 345-12 (2020) covers determination of the passing ability (Note 1) of self-consolidating co..
AASHTO T 346-22 PDF
The procedures for testing glass beads used in traffic markings are described in this method. This i..
AASHTO T 347-13 PDF
This test method covers determination of slump flow of self-consolidating concrete (SCC), both in th..
AASHTO T 348-22 PDF
This test method covers the determination of characteristics of the air-void system of fresh concret..