An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
A Road Safety Audit (RSA) is the formal safety performance examination of an existing or future road or intersection by an independent, multidisciplinary team. It qualitatively estimates and reports on potential road safety issues and identifies opportunities for improvements in safety for all...
This figure illustrates the asset lifecycle in terms of Building Information Modeling (BIM) for Infrastructure. The lifecycle is shown as a wheel with a central circle, a middle layer, and an outer layer. The central circle of the wheel is labeled “Common Data Environment (CDE),” with the...
These files are intended for applicants to the Tribal Transportation Program Safety Fund. More information about this funding is available at https://highways.dot.gov/federal-lands/programs-tribal/safety/funds
The Questions and Answers (Q&As) provide guidance on the Tribal Transportation Program (TTP) Bridge Program funds under the Infrastructure Investment and Jobs Act (IIJA) (Pub. L. 117-58).
Updated June 7, 2022
Except for any statutes or regulations cited, the contents of...
Assign logical and descriptive Names to proposed ORD features such as Alignments, Profiles, Corridors, and Terrain Models. Remember that feature names show up in the Physical Data, so choose meaningful names that relate to the item. This naming convention may be...