General
Congestion and Bottleneck Identification (CBI) Tool Software Download Form
NOTICE
The use and testing of the CBI tool software is being done strictly on a voluntary basis. In exchange for the provision of CBI tool software, the user agrees that FHWA, U.S. Department of Transportation, any other agency of the Federal Government or distributor shall not be...
Congestion and Bottleneck Identification (CBI) Tool Software Download Registration
In a recent study directed by the Federal Highway Administration, congestion identification was one of the primary areas of emphasis. Some of the researchers developed innovations to account for visibility and weather effects on traffic congestion. Other researchers prepared models that filter...
Deep Foundation Load Test Database (DFLTD) - Version 2.0
In the 1980s, the Federal Highway Administration (FHWA) began the collection of research quality load test data and associated subsurface information leading to the development of the first version of the FHWA Deep Foundation Load Test Database (DFLTD v.1). The objective was to serve as a...
What's New - 2011
We are committed to providing our visitors with useful and updated information. We invite you to visit this page frequently to see what items have been added or updated on the Turner-Fairbank Highway Research Center Web site.
What's New - 2012
We are committed to providing our visitors with useful and updated information. We invite you to visit this page frequently to see what items have been added or updated on the Turner-Fairbank Highway Research Center Web site.
A Moment in Time: President Harding's Landmark Act
by Richard Weingroff / FHWA News 2024-2025
Director of the Office of Technical Services
Karla Petty
Karla Petty serves as FHWA’s Director,...