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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 399-22 PDF
This practice describes the procedures for determining the density and moisture content of aggregate..
AASHTO T 400-23 PDF
This test method covers procedures for preparing and testing asphalt mixture to determine the damage..
AASHTO T 401-22 PDF
This test method describes the procedure for determining the percent abrasion loss of asphalt mixtur..
AASHTO T 402-23 PDF
This test method covers the determination of the electrical resistivity of concrete to provide a ver..
AASHTO T 403-23 PDF
This test method describes the procedure for determining the consistency of fresh concrete by measur..
AASHTO T 404-23 PDF
This test method applies to hot-poured asphalt crack sealant used in the construction and maintenanc..
AASHTO T 405-23 PDF
This test method covers the determination of an asphalt binder’s resistance to ductile failure using..
AASHTO T 406-23 PDF
This test method covers the determination of the low-temperature performance grade (i.e., minimum de..
AASHTO T 407-23 PDF
This test method covers the determination of the interlayer shear strength of asphalt pavement layer..
AASHTO T 408-23 PDF
This test method covers the determination of the tack coat adhesion quality as measured by the tensi..