Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

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.

The latest information on the Coronavirus Disease 2019 (COVID-19) is available on

United States Department of Transportation United States Department of Transportation


This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.

CMVRTC: Continued Analysis of PBBT Brake Performance Evaluation Data

.auto-style1 { text-align: center; } Goal:To continue gathering Level 1 brake performance stroke measurements and correlate those stroke measurements with performance-based brake tester (PBBT) brake force measurements on each wheel end and for the total vehicle.Background:Currently the PBBT...

Data Repository (Naturalistic Driving and Other Datasets)

Goal: To create a permanent, secure Data Repository for data collected during research and technology studies sponsoredy by the Federal Motor Carrier Safety Administration (FMCSA). Background: FMCSA-sponsored research and technology studies often result in datasets that can be used for...