These guide specifications provide guidance for developing transportation contract specifications and are the national standard for best practices in highway and road construction. This consensus-based guide ..... Read More
This 2020 3rd edition includes the following revisions and updates from the previous 2015 2nd edition: new fracture mechanics-based model for reflective cracking in AC overlays over flexible, ..... Read More
The AASHTO Materials Standards contain specifications, test methods, and provisional standards commonly used in the construction of highway facilities.
The Materials Standards are updated three times ..... Read More
The Federal Highway Administration (FHWA) is an agency within the U.S. Department of Transportation that supports State and local governments in the design, construction, and maintenance of the Nation’s highway system (Federal Aid Highway Program) and various federally and tribal owned lands (Federal Lands Highway Program).
Realty Research activities develop methodology, technology, and systems appropriate for right-of-way agencies. Other Realty Research incorporates advanced communication and training systems designed for new and established professionals. Realty Research continually supports the right-of-way information knowledge necessary for effective professional performance.
The National Highway Institute (NHI), a division of the Federal Highway Administration (FHWA), works to improve the performance of the transportation industry through training. To achieve this mission, NHI provides transportation-related training in several formats including both classroom-based and online learning as well as free web-based seminars and asynchronous training materials.