TRUCKING GLOSSARY · VEHICLE SYSTEMS

Breakaway System

A system designed to apply trailer brakes if the trailer separates from the towing vehicle.

Home / Trucking Glossary / Breakaway System
Vehicle Systems

Definition

A system designed to apply trailer brakes if the trailer separates from the towing vehicle.

Practical example

Example: The driver checks that the emergency line and breakaway components are properly connected.

Why it matters

A working breakaway system helps stop a separated trailer and limit roadway danger.

Breakaway System in CDL training

CDL students should be able to recognize this term, explain it in plain language, and connect it to safe vehicle operation, inspection, licensing, or freight work as applicable. Review the term in context and practice using it during classroom study and hands-on training.

Frequently asked questions

What does Breakaway System mean in trucking?

A system designed to apply trailer brakes if the trailer separates from the towing vehicle.

Why should a commercial driver understand Breakaway System?

A working breakaway system helps stop a separated trailer and limit roadway danger.

This glossary is educational. Always follow current federal and state rules, the vehicle manufacturer’s instructions, and your motor carrier’s procedures.

Learn the language. Train for the road.

Continue with FMCSA-compliant ELDT theory and hands-on CDL preparation.

Explore ELDT courses →