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.



Daily Update













AASHTO Journal

Chao Shows Support for Project Funding, Says ‘Task Force’ Will Shape Infrastructure Plan

Jan 13, 2017
Elaine Chao told senators she believes the Trump administration will support more federal funding for infrastructure as well as private financing, ...

TRB Panels: CEOs Tackle Multimodal Issues, Major Concerns, Gender Challenges

Jan 13, 2017
Over three Jan. 10 sessions at the Transportation Research Board's 2017 annual meeting, chief executives from state departments of transportation d...

Read the full AASHTO Journal

Direct from the Source

Releases from AASHTO and State DOTs

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...

AASHTO Supports Nomination of Elaine Chao as U.S. Transportation Secretary

Nov 30, 2016
​WASHINGTON - The American Association of State Highway and Transportation Officials looks forward to working with Transportation Secretary Nominee...
​Outgoing U.S. Transportation Sec. Anthony Foxx delivered his final address at the Annual Transportation Research Board Meeting in Washington, Mon. Jan. 9, 2017. Several hundred attendees listened...
Posted: Jan 12, 2017
​The Manual for Assessing Safety Hardware, 2nd Edition, is a set of performance criteria developed to encourage consistency in the crash testing and evaluation of roadside safety features. It is...
Posted: Jan 11, 2017
​​In this video Connecticut Department of Transportation Commissioner James Redeker says he honored to receive the prestigious 2016 America’s Transportation Awards, Grand Prize for the Pearl Harbor...
Posted: Dec 2, 2016

Never Miss an Update

Subscribe to AASHTO’s news products to get the latest transportation news from around the country straight to your inbox.

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.

Buy Now


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.