News
Daily Update
STATE DOT NEWS
FUNDING
TECHNOLOGY
SAFETY
FREIGHT
TRANSIT
PLANNING
AVIATION
SECURITY
AASHTO Journal
Senior Senate Appropriator Collins Sounds Alarm on Highway Trust Fund
Apr 13, 2018
Sen. Susan Collins, R-Maine, who chairs the Appropriations subcommittee that oversees transportation programs, warned that the Trump administration's ...
FHWA: January Continued Trend of Record-High Traffic on U.S. Roads
Apr 13, 2018
Traffic on U.S. roads and highways began 2018 the way it's been going for several years now, moving ...
Direct from the Source
Releases from AASHTO and State DOTs
I-285 Resurfacing between SR 42/Moreland Avenue in DeKalb, through Clayton, to Conley Road in Fulton
Apr 18, 2018
35 State DOTs are Deploying Drones to Save Lives, Time and Money
Mar 27, 2018
Survey Results Featured in Special Report Video#58;Building Highways in the Sky#58; State DOTs Leading the Evolution of ...
Song Titles Setting the Tone for ‘Faces of Transportation’ Photo/Video Contest
Mar 16, 2018
National Competition Now In Its 13th Year#160; WASHINGTON – The American Association of State Highway and Transportation Officials annual ...
AASHTO’s 2018 Washington Briefing Focuses on Transportation Investment
Feb 28, 2018
Senators Barrasso and Carper; Representatives Shuster and DeFazio; Sec. Chao, Speaking TodayWASHINGTON – Hundreds of attendees from 45 state departments ...
Never Miss an Update
Subscribe to AASHTO’s news products to get the latest transportation news from around the country straight to your inbox.
Featured Publication
-
AASHTO LRFD Bridge Design Specifications, 8th Edition
These specifications cover the design, evaluation, and rehabilitation of highway bridges. The design provisions of these specifications employ the Load and Resistance Factor Design (LRFD) methodology, which is based on structural reliability theory, and calibrated to achieve a target level of reliability. Updates to this edition include:
- A completely updated and revised Section 5 on Concrete Structures (Appendix E5, comparing the 7th and 8th Edition versions of this Section can be .....
Read More
- A completely updated and revised Section 5 on Concrete Structures (Appendix E5, comparing the 7th and 8th Edition versions of this Section can be .....
-
AASHTO LRFD Bridge Construction Specifications, 4th Edition
The AASHTO LRFD Bridge Construction Specifications are intended for use in the construction of bridges. The specifications employ the Load and Resistance Factor Design (LRFD) methodology, and are designed to be used in conjunction with the AASHTO LRFD Bridge Design Specifications. Revisions from the 3rd edition of this title include a complete revision of Section 3, Temporary Works, and changes to Section 10, Prestressing; Section 11, Steel Structures; Section 19, Bridge Deck Joint .....
Read More -
Movable Bridge Inspection, Evaluation, and Maintenance Manual, 2nd Edition
This manual presents uniform guidelines and procedures pertaining to the unique structural, mechanical, electrical, and operational characteristics of movable highway bridges. The manual was developed for bridge engineers, inspectors, and maintainers charged with operational and maintenance responsibilities for these complex structures. Commentary adjacent to the text provides suggestions on implementing the guidelines and procedures, and directs the reader to additional sources of information. This manual supersedes the 1998 first edition. -
A Guide for Achieving Flexibility in Highway Design, 1st Edition
Context-sensitive solutions (CSS) reflect the need to consider highway projects as more than just transportation facilities. Depending on how highway projects are integrated into the community, they can have far-reaching impacts beyond their traffic or transportation function. CSS is a comprehensive process that brings stakeholders together in a positive, proactive environment to develop projects that not only meet transportation needs, but also improve or enhance the community. Achieving a flexible, context-sensitive design solution requires .....
Read More -
Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards, Single User Web-Based One-Year Subscription
The AASHTO Materials Book contains specifications, test methods, and provisional standards commonly used in the construction of highway facilities.
It is available as a one-year online subscription. When you subscribe, you will automatically receive access to all updates published during your subscription period, as well as access to recent past editions, with changes between editions highlighted for ease of reference.
The Materials Book is updated three times per year, in .....
Read More
About AASHTO
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.