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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 GSBTW-2-2017 PDF
AASHTO GSBTW-2, Guide Design Specifications for Bridge Temporary Works, Second Edition (2017), provi..
AASHTO GSBTW-2-I1 PDF
AASHTO GSBTW-2-I1, Guide Design Specifications for Bridge Temporary Works, 2nd Edition (2017), addre..
AASHTO GSCB-2-M-1999 PDF
This second edition was prepared for use in conjunction with the Standard Specifications for Highway..
AASHTO GSCBS-1-1989 PDF
These guide specifications contain design guidelines for thermal effects in highway concrete bridge ..
AASHTO GSDFPB-2-2025 PDF
The AASHTO LRFD Guide Specifications for the Design of FRP Pedestrian Bridges, Second Edition (2025)..
AASHTO GSDPB-2-2009 PDF
AASHTO GSDPB-2, LRFD Guide Specifications for the Design of Pedestrian Bridges, 2nd Edition (Decembe..
AASHTO GSDPB-2-I1-2014 PDF
This 2015 interim revision contains updated information to the LRFD Guide Specifications for the Des..
AASHTO GSFCM-1-2018 PDF
AASHTO GSFCM-1, Guide Specifications for Analysis and Identification of Fracture Critical Members an..
AASHTO GSFCM-1-I1-2022 PDF
AASHTO Guide Specifications for Analysis and Identification of Fracture Critical Members and System ..
AASHTO GSGLC-5-2016 PDF
AASHTO GSGLC-5, Guidelines for Supplemental Guide Signing, Fifth Edition (2016), addresses the selec..