- AA-The Aluminum Association
- AAMI-Association for the Advancement of Medical Instrumentation
- AASHTO-American Association of State Highway and Transportation Officials
- AATCC-American Association of Textile Chemists and Colorists
- ACI-American Concrete Institute
- ANSI-American National Standards Institute
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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 R 100M/R 100-25 PDF
This practice covers procedures for casting and curing cylinder and beam specimens from representati..
AASHTO R 101-22 PDF
Specifications for concrete pavement mixtures have traditionally been prescriptive, with State Highw..
AASHTO R 102-22 PDF
This standard practice determines application quantities for applying aggregate chips and emulsified..
AASHTO R 103-22 PDF
This standard practice for mix design evaluation uses mixture properties to determine the proportion..
AASHTO R 104-22 PDF
This standard practice for mix design evaluation uses mixture properties to determine the proportion..
AASHTO R 105-22 PDF
This standard determines an ideal application rate of emulsified asphalt for use as a fog seal. A fo..
AASHTO R 106-22 PDF
This standard determines application quantities for applied graded cover aggregate and emulsified as..
AASHTO R 107-22 PDF
This standard practice determines application quantities for applying aggregate and emulsified aspha..
AASHTO R 108-22 PDF
This standard practice for ultrathin bonded wearing course includes a mix design evaluation for the ..
AASHTO R 109-22 PDF
This standard practice for mix design evaluation is used to determine the amount and composition of ..











