5 days ago · About AASHTO The American Association of State Highway and Transportation Officials – is a nonprofit, nonpartisan association representing highway and transportation …

AASHTO is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all …

AASHTO provides our members with smart solutions in transportation. As an AASHTO member you are invited to utilize our critical information, training, and data.

AASHTO Store offers a wide range of publications, training materials, and other resources related to transportation engineering, design, construction, maintenance, and safety.

Through AASHTO’s extensive committee structure, officials from across the nation meet to set policy goals and develop a wide range of voluntary recommended infrastructure construction, …

Jan 2, 2026 · The American Association of State Highway and Transportation Officials (AASHTO) welcomes the republication in whole or in part of any original content from The AASHTO …

The following is a comprehensive list of technical services and programs offered by AASHTO to its members, which include state departments of transportation and other transportation …

The AASHTO Online Store. AASHTO technical standards, design and construction specifications and guides for the construction, design, and maintenance of transportation infrastructure.

Dec 20, 2024 · Developed by the AASHTO Committee on Bridges and Structures, these specifications employ Load and Resistance Factor Design or LRFD methodology, using …

AASHTO Soil Classification System Guide rst engineering classification systems. The system was developed for use in highway construction and rates soils for their suita ility for support of …