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This document serves as a user guide to assist State and local safety professionals to apply PBCAT version 3 to their crash reports. This document also presents the modernized crash-typing framework, which is significantly different from former versions of PBCAT. Additionally, this...
This report describes the data analysis study performed to help LTPP database users navigate and understand LTPP traffic data and select traffic parameters that best fit their project needs. This study included the development of analysis-ready traffic datasets to support a broad variety of...
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.
This document is a technical summary of the Federal Highway Administration report Assessment of Federal Highway Administration Highway Project Cost Estimation Tools.
This document shows how the Federal Highway Administration (FHWA) and the Office of Federal Lands Highway (FLH) oversee...
This document highlights drivers' decisions regarding the dilemma zone (DZ). The DZ phenomenon is described as the moment when drivers face a predicament as a stoplight suddenly turns yellow, requiring either an abrupt stop or a rapid acceleration through the intersection.