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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 M 241M/M 241-23 PDF
AASHTO M 241M/M 241-23 is identical to ASTM C685/C685M-17 except for the provisions specified in thi..
AASHTO M 242M/M 242-23 PDF
This specification covers reinforced concrete pipe designed for specific D-loads and intended to be ..
AASHTO M 243-22 PDF
This specification covers field-applied asphaltic mastic coating of corrugated metal structural plat..
AASHTO M 245-20 PDF
AASHTO M 245-20 covers polymer-precoated corrugated steel pipe intended for use for storm water drai..
AASHTO M 246-22 PDF
This specification covers polymer-precoated steel sheet for corrugated steel pipe (CSP), which is co..
AASHTO M 247-13 PDF
This specification covers glass beads to be dropped or sprayed upon pavement markings so as to produ..
AASHTO M 248-91 PDF
Discontinued due to material's obsolescence and regulatory concerns. MP 24 is a current alternative ..
AASHTO M 249-12 PDF
AASHTO M 249-12 (2020) covers a reflectorized thermoplastic pavement striping material that is appli..
AASHTO M 251M/M 251-22 PDF
This specification covers the material requirements for plain and laminated elastomeric bridge beari..
AASHTO M 252-25 PDF
This specification covers the requirements and methods of test for corrugated polyethylene (PE) pipe..