American Association of State and Highway Transportation Officials (AASHTO)
AASHTO is a leading source of technical information on design, construction and maintenance of highways and other transportation facilities, including aviation, highways, public transit, rail, and water. We provide all AASHTO specifications, provisional standards, standard test methods, recommended practices, guide specifications, manuals, the Bridge Welding Code, annual meeting procedures, the Reference Book of Member Department Personnel & Committees, U.S. Numbered Highways, and interstates research.
-
AASHTO CHBTW: 2017 (pdf)
AASHTO CHBTW – Construction Handbook for Bridge Temporary Works, 2nd edition
Quick View -
AASHTO DCRT-1: 2010 [paper]
Technical Manual for Design and Construction of Road Tunnels – Civil Elements, First Edition.
Quick View -
AASHTO GBF: 2012 [paper]
Guide for the Development of Bicycle Facilities, 4th Edition
Quick View -
AASHTO GDHS-7: 2018 [pdf]
A Policy on Geometric Design of Highways and Streets, 7th Edition
Quick View -
AASHTO GSBSM: 2018 (pdf)
Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-Up Steel Members, 1st Edition
Quick View -
AASHTO GSBTW: 2017 (pdf)
Guide Design Specifications for Bridge Temporary Works, 2nd edition
Quick View -
AASHTO GSH-10: 2020 [paper]
Guide Specifications for Highway Construction, 10th Edition
Quick View -
AASHTO GSWLB: 2017 (pdf)
AASHTO GSWLB – Guide Specifications for Wind Loads on Bridges During Construction, 1st edition
Single User PDF DownloadQuick View -
AASHTO HM: 2021 [pdf]
Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and Provisional Standards
Quick View -
AASHTO LRFD Bridge Construction Specifications: 2017 [paper]
4th edition, includes Errata LRFDCONS-4-E1, March 2018 and 2020 Interim Revision I1
Quick View -
AASHTO LRFD Bridge Construction Specifications: 2017 [pdf]
4th edition, includes all amendments and changes through Errata , November 2021
Quick View -
AASHTO LRFD GFRP: 2018 (pdf)
AASHTO LRFD Bridge Design Guide Specifications for GFRP-Reinforced Concrete, 2nd Edition
Quick View