American Association of State Highway and Transportation Officials (AASHTO)
The American Association of State Highway and Transportation Officials (AASHTO) promotes transportation-related policies and technical excellence within the transportation community. As part of this mission, AASHTO serves as the leading source for technical information covering transportation design, construction and maintenance.
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AASHTO standards and specifications include provisional standards, standard test methods, recommended practices, guide specifications and manuals.
General subject categories covered by AASHTO standards include:
- Administration and economics
- Bridges and structures
- Construction and right-of-way
- Design and traffic
- Maintenance
- Materials
- Planning and environment
- Rail and highway transport
The AASHTO Standards Collection contains more than 1,500 documents.
Designers, engineers, researchers, construction managers and inspectors use standards and documents from AASHTO to support quality and safe design and execution of road construction and transportation projects.
Contacts
For more information
on Product Design:
Americas
Englewood, CO, US
Toll Free: +1 800 447-2273
(US/Canada)
+1 303 736-3001
EMEA
Bracknell, UK
Tel: +44 (0) 1344 328 300
APAC
Penang, Malaysia
Toll Free: +800 10002233
(where available)
+604 291 3600
United States
















