Implementing a New Committee Structure

The AASHTO Board of Directors approved a reorganization of the AASHTO committee structure at its 2016 meeting in Boston. Track the implementation process.


Transportation Curriculum Coordination Council

A National Resource. A Valuable Partner.


FAST Act Implementation

Your resource on MAP-21 reauthorization and implementation of the Fixing America's Surface Transportation (FAST) Act.


AASHTO Bookstore

Visit AASHTO's Bookstore to browse and purchase all AASHTO publications. Become an E-Affiliate: AASHTO E-Affiliates are eligible for free domestic shipping on all orders placed via the AASHTO online bookstore.



A unique and powerful enterprise software suite designed by transportation professionals for transportation professionals.



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AASHTO Journal

State DOT Executives to Convene in Capital, Hear From Key Transportation Policymakers

Feb 17, 2017
CEOs and top staffers from state departments of transportation will hold a Washington legislative conference Feb. 28-March 3, where they will h...

Safety Council Estimates 2016 U.S. Motor Vehicle Deaths at Highest Level Since 2007

Feb 17, 2017
The National Safety Council said its preliminary 2016 data indicates as many as 40,000 people died in U.S. motor vehicle crashes last year, or ...

Read the full AASHTO Journal

Direct from the Source

Releases from AASHTO and State DOTs

AASHTO Congratulates Elaine Chao, 18th U.S. Transportation Secretary

Jan 31, 2017
​WASHINGTON – The American Association of State Highway and Transportation Officials applauds Elaine Chao for her confirmation today, as the nation...

AASHTO Congratulates Congress on Passage of the WIIN Act

Dec 10, 2016
WASHINGTON - The American Association of State Highway and Transportation officials today congratulated Congress after passage of the Water Infrast...

New Report Documents Progress and Needed Investment to Move Freight Programs Forward In the 21st Century

Dec 6, 2016
#160;​Release of the report marks first anniversary of FAST ActWASHINGTON –The American Association of State Highway and Transportation Officials a...
​Sen. John Barrasso (R-WY), chairman of the Senate Environment and Public Works Committee and the Committee’s Ranking Member Sen. Tom Carper (D-DE,) are just two of the featured speakers scheduled...
Posted: Feb 17, 2017
​In this 2-Minute State DOT Update video we hear from Colorado Department of Transportation Executive Director Shailen Bhatt about a partnership between his agency and Panasonic. Panasonic is a global...
Posted: Feb 3, 2017
​This video provides special coverage of the 2017 Transportation Research Board (TRB) 96th Annual Meeting held at the Walter E. Washington Convention Center, in Washington, D.C. January 8–12. In...
Posted: Jan 20, 2017

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Multi-modal design philosophies have been described using a variety of names, including context sensitive solutions; practical design and complete streets. Regardless of the name, the ultimate goal is always to design a safe transportation system that supports a greater quality of life and robust economy.

Bud WrightAASHTO Executive Director

America’s Transportation Awards showcase the outstanding transportation projects that improve travel and quality of life in the United States. Through these awards, we recognize state DOTs for their diligent efforts to help improve the quality of life and economic prosperity in communities across the country.

Paul TrombinoAASHTO President, and Director, Iowa DOT

Featured Publication

Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and the AASHTO Provisional Standards, 2016 Edition, (The “Materials” Book)


HM2016 WebAASHTO Publications just released its third 2016 update to the Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and the AASHTO Provisional Standards, 2016 Edition (The “Materials” Book). This update includes 18 new and 21 revised specifications, and revises the sections on Geotechnical, and Bituminous Materials and Mixtures.

Two previous updates were released earlier this year—in April and June. The April 2016 update included three new and 13 revised specifications, and revised the sections on Hydraulic Cements, Hydraulic Cements, Concrete, Concrete-Related Materials, Pavement Serviceability, Environmental Quality, Quality Assurance. The June 2016 update included one new and six revised specifications, and revised the section on General Manufactured Materials. This latest August 2016 update will be the last update to this publication to be released this year.

The web-based AASHTO Materials Book is available as a one-year online subscription, available as either a single-user or multi-user license agreement. Current subscribers automatically receive access to all updates published during their subscription period, as well as have access to recent past editions, with changes between editions highlighted for ease of reference.

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AASHTO – The American Association of State Highway Transportation Officials – is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and maintenance of an integrated national transportation system.

AASHTO works to educate the public and key decision makers about the critical role that transportation plays in securing a good quality of life and sound economy for our nation. AASHTO serves as a liaison between state departments of transportation and the Federal government. AASHTO is an international leader in setting technical standards for all phases of highway system development. Standards are issued for design, construction of highways and bridges, materials, and many other technical areas.