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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 MBEI-2-I3-2025 PDF
The Manual for Bridge Element Inspection, 2nd Edition (Item Code: MBEI-2), published in 2019, is a r..
AASHTO MBI-2-2017 PDF
AASHTO MBI-2, Movable Bridge Manual for Inspection, Evaluation, and Maintenance, Second Edition (201..
AASHTO MBI-2-I1-2024 PDF
These interim revisions contain updated information for the Movable Bridge Inspection, Evaluation, a..
AASHTO MCTE-1-2015 PDF
AASHTO MCTE-1, Managing Catastrophic Transportation Emergencies: A Guide for Transportation Executiv..
AASHTO MDMS-1-2023 PDF
The AASHTO Standard Specification for Material Delivery Management Systems, First Edition (2023), es..
AASHTO MEBC-1-UL-2012 PDF
This manual addresses the factors affecting chip performance, discusses design and construction cons..
AASHTO MEPDG-3-E2-2023 PDF
October 2023 Errata for Mechanistic-Empirical Pavement Design Guide: A Manual of Practice, 3rd Editi..
AASHTO MEPDG-3-E3-2024 PDF
January 2024 Errata for Mechanistic-Empirical Pavement Design Guide: A Manual of Practice, 3rd Editi..
AASHTO MEPDG-3S-2021 PDF
AASHTO MEPDG-3S, the 2021 supplement to the Mechanistic-Empirical Pavement Design Guide, Third Editi..
AASHTO MEPDG-3S-E1-2023 PDF
October 2023 Errata for Mechanistic-Empirical Pavement Design Guide: A Manual of Practice, 3rd Editi..