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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 198-22 PDF
This test method covers the determination of the splitting tensile strength of cylindrical concrete ..
AASHTO T 199-00 PDF
This method of test covers the determination of the air content of freshly mixed concrete by displac..
AASHTO T 19M/T 19-22 PDF
This test method covers the determination of bulk density (“unit weight”) of aggregate in a compacte..
AASHTO T 200-79 PDF
AASHTO T 200-79 (2002) is identical to ASTM E70-97 except provisions specified in this document.
AASHTO T 201-22 PDF
AASHTO T 201-22 is identical to ASTM D2170/D2170M-10 except for the provisions specified in this doc..
AASHTO T 202-22 PDF
AASHTO T 202-22 is identical to ASTM D2171/D2171M-10 except for the provisions specified in this doc..
AASHTO T 206-22 PDF
This test method describes the procedure, generally known as the standard penetration test (SPT), fo..
AASHTO T 207-22 PDF
This method covers a procedure for using a thin-walled metal tube to recover relatively undisturbed ..
AASHTO T 208-15 PDF
This test method covers the determination of the unconfined compressive strength of cohesive soil in..
AASHTO T 209-25 PDF
This test method covers the determination of the theoretical maximum specific gravity/gravity mix ma..