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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 TF37-1-1998 PDF
Represents the best current practice for durable shotcrete repair of bridges in three parts: 1. Guid..
AASHTO TNA-1-1980 PDF
AASHTO TNA-1, Policy on Land Use and Source Control Aspects of Traffic Noise Attenuation, sets out t..
AASHTO TOM-1-2023 PDF
The AASHTO Transportation Operations Manual, First Edition (2023), is a resource for transportation ..
AASHTO TP 120-22 PDF
This test method covers the determination of the pore index values for carbonate (limestone and dolo..
AASHTO TP 123-16 PDF
This test method covers the Binder Yield Energy Test (BYET) for evaluation of asphalt binders’ resis..
AASHTO TP 125-22 PDF
This test method covers the determination of the flexural creep stiffness or compliance of asphalt m..
AASHTO TP 127-22 PDF
This test method covers the determination of fracture energy density of asphalt binder by means of a..
AASHTO TP 128-22 PDF
This method covers the measurement of the oxidation signal in an asphalt mixture by a portable infra..
AASHTO TP 130-20 PDF
This test procedure is used to determine the retroreflectivity of AASHTO M 247 Type I highway beads...
AASHTO TP 131-18 PDF
This standard describes the test method for measuring the dynamic modulus of asphalt mixtures using ..