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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 287-22 PDF
This procedure covers the quantitative determination of the asphalt binder content of asphalt mixtur..
AASHTO T 288-23 PDF
This method covers the laboratory procedure for determining the minimum resistivity of soil samples...
AASHTO T 289-22 PDF
This test method describes procedures and apparatus for determining a pH value for corrosion testing..
AASHTO T 290-95 PDF
AASHTO T 290-95 (2020) covers the determination of the water-soluble sulfate ion content in soil. Th..
AASHTO T 291-22 PDF
This test method describes the procedures for sampling and testing a soil for chloride ion content. ..
AASHTO T 295-22 PDF
This test method covers the determination of the density of cutback asphalts using a glass hydromete..
AASHTO T 296-22 PDF
This test method covers the determination of unconsolidated strength and stress–strain relationships..
AASHTO T 297-94-2004 PDF
The information in this standard is developed principally by ASTM. AASHTO's comments indicate whethe..
AASHTO T 298-15 PDF
This test method covers the procedure for testing vertical or batter piles individually to determine..
AASHTO T 299-93 PDF
This test covers the rapid visual detection of the products of alkali-silica reaction (ASR) in portl..