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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 349-13 PDF
This test method covers the determination of filling capacity of self-consolidating concrete (SCC). ..
AASHTO T 350-19 PDF
This test method covers the determination of percent recovery and nonrecoverable creep compliance of..
AASHTO T 351-14 PDF
This test method covers determination of the visual stability index of self-consolidating concrete (..
AASHTO T 352-14 PDF
This method covers the measurement of formwork pressure of fresh self-consolidating concrete (SCC) u..
AASHTO T 353-14 PDF
This test method covers the determination of the particle size distribution (PSD) of hydraulic cemen..
AASHTO T 354-22 PDF
This method covers the determination of bulk and apparent specific gravity and absorption of fine an..
AASHTO T 355-22 PDF
This test method describes the procedure for determining the in-place density of asphalt mixtures by..
AASHTO T 356-22 PDF
This test method covers laboratory determination of the air content of hardened portland cement conc..
AASHTO T 357-22 PDF
This procedure is for the rapid evaluation of chloride penetration resistance of concrete, from non-..
AASHTO T 358-24 PDF
Incorporates the October 2025 and June 2026 Errata This test method covers the determination of the ..