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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 37-07 PDF
This method of test covers the sieve analysis of mineral fillers used in asphalt mixtures.
AASHTO T 370-22 PDF
The direct adhesion test is used to determine the adhesion strength of hot-poured asphalt crack seal..
AASHTO T 371-22 PDF
The blister test is used to determine the interfacial fracture energy (IFE) of hot-poured asphalt cr..
AASHTO T 372M/T 372-17 PDF
AASHTO T 372M/T 372-17 (2021) covers the procedures to be used to evaluate the sensitivity of stainl..
AASHTO T 373M/T 373-17 PDF
AASHTO T 373M/T 373-17 (2021) describes procedures to evaluate the comparative qualitative corrosion..
AASHTO T 374M/T 374-17 PDF
AASHTO T 374M/T 374-17 (2021), the tombstone test, provides a procedure for evaluating and comparing..
AASHTO T 375M/T 375-17 PDF
AASHTO T 375M/T 375-17 (2021) covers the procedure to be used in identifying the composition of iron..
AASHTO T 376M/T 376-17 PDF
AASHTO T 376M/T 376-17 (2021) describes procedures to measure the chloride threshold concentration t..
AASHTO T 377-22 PDF
This qualitative test method can be used to identify the presence of polyphosphoric acid (PPA) in as..
AASHTO T 378-22 PDF
This standard describes test methods for measuring the dynamic modulus and flow number for asphalt m..