The DMV offers a practice CDL interactive written exam for the general knowledge test as a study guide to prepare you for the CDL general knowledge written test.

Don't know where to start? Our Free study guides for the CDL will help direct you to the most important information you need to know to ace the test the first time.

Apr 2, 2025 · Ace your CDL permit test with this comprehensive CDL permit study guide. Learn key topics, test-taking tips, and expert strategies to pass on your first try!

Start with these essential CDL study guides that form the foundation of commercial driving knowledge. These comprehensive 2025 guides are optimized for focused, distraction-free learning and designed …

These online printable study guides and practice tests feature questions and answers that will be on the actual written tests. And each one covers a separate topic, so you’ll only be learning the information …

Click here to view or download a PDF version of your state's official CDL manual.

Our updated for 2024 CDL study guide includes materials like manuals, practice tests, the pre-trip inspection checklist, and trucking terms.

Our website is intended to help you to prepare to take the CDL Knowledge (written) tests in as little time as possible. By using our practice tests, you will learn all of the major points that you have to know in …

If you’re looking for help passing your written CDL exam, check out this handy CDL study guide. Learn from the professionals at Driving Academy.

Jan 6, 2026 · To get ready for these CDL practice tests, start with this general study guide, which includes answers to frequently asked questions about the CDL exam process. After completing your …