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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 LRFDLTS-1-I2-2017 PDF
The 2018 Interim Revisions contain updated information to the LRFD Specifications for Structural Sup..
AASHTO LRFDLTS-1-I3-2018 PDF
The 2019 Interim Revisions contain updated information to the LRFD Specifications for Structural Sup..
AASHTO LRFDLTS-1-I4-2019 PDF
The 2020 Interim Revisions contain updated information to the LRFD Specifications for Structural Sup..
AASHTO LRFDLTS-1-I5-2022 PDF
AASHTO has published 2022 Interim Revisions to the AASHTO LRFD Specifications for Structural Support..
AASHTO LRFDMOV-2-I2-2010 PDF
The 2010 interim contains replacement pages to the AASHTO LRFD Movable Highway Bridge Design Specifi..
AASHTO LRFDMOV-2-I3-2011 PDF
The 2011 interim contains replacement pages to the AASHTO LRFD Movable Highway Bridge Design Specifi..
AASHTO LRFDMOV-2-I4-2012 PDF
The 2012 interim contains updated information for the AASHTO LRFD Movable Highway Bridge Design Spec..
AASHTO LRFDMOV-2-I5-2013 PDF
AASHTO has issued 2014 interim revisions to AASHTO LRFD Movable Bridge Design Specifications, Second..
AASHTO LRFDMOV-2-I6-2014 PDF
AASHTO has issued 2015 interim revisions to AASHTO LRFD Movable Bridge Design Specifications, Second..
AASHTO LRFDMOV-3-2023 PDF
The AASHTO LRFD Guide Specifications for the Design of Movable Highway Bridges, Third Edition (2023)..