IMPORTANT: First watch the video for this test (top of this page), then take the following practice test. You should do well on just your first attempt. Repeat watching the video and taking this test until you get 100%. Next, take the Combination Vehicles DMV Simulated Exam, which has the same number of questions and the same time limit as your official state exam, and is different each time you take the exam.

This CDL test will prepare you to pass EVERY state’s DMV Combination Vehicles exam. To drive a commercial vehicle AND pull any kind of trailer, you must pass the Combination Vehicles written CDL exam. On the official DMV written exam, you must get at least 80% to pass.