Official US Government Icon

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Secure Site Icon

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

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

United States Department of Transportation United States Department of Transportation

out of service

The Impact of Vehicle Maintenance on Safety

.auto-style1 {
text-align: center;

Project Goal:
To further analyze the impact of vehicle maintenance issues on safety.
Vehicle maintenance (e.g., brakes, lights, other mechanical defects, and load securement) is one of the seven Behavior Analysis and Safety Improvement Categories (BASICs) for Carrier Safety Measurement. In January 2014, FMCSA published the...