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 coronavirus.gov.

United States Department of Transportation United States Department of Transportation

Interstate Truck Driver's Guide to Hours of Service

As the driver of a large, heavy truck, you have a lot of responsibility as you drive down the road. The biggest concern is safety. That brings us to the main reason for the hours-of-service regulations – to keep fatigued drivers off the public roadways. These regulations put limits in place for when and how long you may drive, to ensure that you stay awake and alert while driving, and on a continuing basis to help reduce the possibility of driver fatigue.

Last updated: Monday, November 7, 2016