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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 389-22 PDF
This test method describes a procedure for measuring the influence of road surfaces on highway traff..
AASHTO T 390-22 PDF
The Continuous-Flow Traffic Time-Integrated Method (CTIM) describes the procedures for measuring the..
AASHTO T 391-20 PDF
AASHTO T 391-20 covers the determination of an asphalt binders resistance to fatigue damage by means..
AASHTO T 392-21 PDF
This test method covers the determination of the total heavy metal content of glass beads using X-ra..
AASHTO T 393-22 PDF
This test method covers the determination of Mode I (tensile opening mode during crack propagation) ..
AASHTO T 394-22 PDF
This test method covers the determination of the fracture energy (Gf) of asphalt mixtures by means o..
AASHTO T 395-22 PDF
This method covers determination of the air content and sequential air method (SAM) number of freshl..
AASHTO T 396-22 PDF
This test method describes the workability measurement of hydraulic-cement concrete in slip formed p..
AASHTO T 397-22 PDF
This test method covers the testing of ultra-high performance concrete materials (UHPC) in uniaxial ..
AASHTO T 398-22 PDF
This test method covers measurement of the retroreflective properties of dry, horizontal pavement ma..