The U.S. Department of Transportation’s (DOT) Clearinghouse has become an essential tool for strengthening road safety and ensuring that commercial drivers comply with alcohol and drug regulations.

This book was created for commercial drivers who travel on U.S. highways, with the goal of helping them develop the English skills needed to achieve success as professional drivers.

Today, we're busting the most common myths to help you avoid costly penalties and ensure you stay compliant with the law.