USA Banner

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.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Safety

Legacy ID
391

What constitutes a “serious pattern” of violations?

Question 1: What constitutes a “serious pattern” of violations?

Guidance: A serious pattern constitutes violations that are both widespread and continuing over a period of time. A serious pattern is more than isolated violations. A serious pattern does not require a specific number of...

ELD FAQ4: Electronic Logging Devices and Hours of Service

Frequently Asked Questions-- Electronic Logging Devices and Hours of Service.

Question 4: What electronic logging device (ELD) user documentation must be onboard a driver’s commercial motor vehicle?

Guidance:  Beginning on December 18, 2017, a driver using an ELD must...