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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 MEPDG-4-2026 PDF
The AASHTO Mechanistic-Empirical Pavement Design Guide: A Manual of Practice, Fourth Edition (2026),..
AASHTO MHB-5-M-1988 PDF
AASHTO MHB-5-M, Standard Specifications for Movable Highway Bridges, 5th Edition (1988), presents sp..
AASHTO MM-4-2007 PDF
This manual is intended for those early in their career in radway and bridge maintenance and will as..
AASHTO MMS-1-2004 PDF
State highway agencies have undertaken major initiatives to implement new and improved maintenance m..
AASHTO MP 16-13 PDF
This specification covers coarse aggregate derived from reclaimed concrete for use in hydraulic ceme..
AASHTO MP 18M/MP 18-15 PDF
AASHTO MP 18M/MP 18-15 covers uncoated, corrosion-resistant, deformed and plain chromium alloyed, bi..
AASHTO MP 30M/MP 30-17 PDF
AASHTO MP 30M/MP 30-17 covers carbon-steel wire and welded wire reinforcement produced from hot- rol..
AASHTO MP 35-22 PDF
This specification describes the laboratory performance of materials for thin overlay treatments usi..
AASHTO MP 37-18 PDF
This specification covers asphalt binders for surface treatment applications graded by performance. ..
AASHTO MP 38-22 PDF
This specification for cold recycling mix design with foamed asphalt uses mixture properties to prod..