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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 GSW-5-2016 PDF
AASHTO GSW-5, Guide for Maximum Dimensions and Weights of Motor Vehicles, Fifth Edition (2016), addr..
AASHTO GSWLB-1-2017 PDF
AASHTO GSWLB-1, Guide Specifications for Wind Loads on Bridges During Construction, First Edition (2..
AASHTO GTDP-2-2009 PDF
AASHTO GTDP-2, Guidelines for Traffic Data Programs, 2nd Edition (2009), provides guidance for impro..
AASHTO GTN-3-1993 PDF
Supersedes the 1987 Guide on Evaluation and Attenuation of Traffic Noise. Contains both research inf..
AASHTO GUAS-1-2025 PDF
AASHTO Guidelines for Unmanned Aircraft Systems (UAS) Applications for Bridge Inspections: Element-L..
AASHTO GVCB-2-I1-2010 PDF
The 2010 interim contains updated information for the Guide Specifications and Commentary for Vessel..
AASHTO GVCB-2-M-2009 PDF
This 2nd Edition of the Guide Specification was developed to incorporate lessons learned from the us..
AASHTO GVM-1-2011 PDF
AASHTO GVM-1 contains the main text of the Guidelines for Vegetation Management published by AASHTO ..
AASHTO GVM-1-M-2011 PDF
AASHTO GVM-1-M presents the Guidelines for Vegetation Management published by AASHTO in 2011. The gu..
AASHTO GVM-1APP-2011 PDF
AASHTO GVM-1APP contains the appendices to the Guidelines for Vegetation Management published by AAS..