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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 64-22 PDF
This practice covers field sampling and fabrication and initial curing of 50-mm (2-in.) cube specime..
AASHTO R 65-14 PDF
This practice is to provide a general evaluation framework for assessing the feasibility to use recy..
AASHTO R 66-16 PDF
AASHTO R 66-16 (2020) applies to sampling asphalt materials at production facilities, at storage fac..
AASHTO R 67-20 PDF
This method describes the process for removal of a core sample of compacted asphalt mixture from a p..
AASHTO R 68-22 PDF
This standard practice describes procedures for the compaction of cylindrical specimens of asphalt m..
AASHTO R 69-15 PDF
Through this protocol, the long-term strength and stiffness of geosynthetic reinforcements can be de..
AASHTO R 70M/R 70-23 PDF
This practice covers the requirements for the apparatus and equipment used to prepare specimens for ..
AASHTO R 71-22 PDF
This practice covers procedures for sampling and for the amount of testing of hydraulic cement after..
AASHTO R 72-22 PDF
This recommended practice covers procedures for making and curing cylindrical concrete specimens at ..
AASHTO R 73-16 PDF
AASHTO R 73-16 (2020) describes the evaluation of precast concrete pipe, box culverts, manholes, and..