Do you know how to use the air brakes on your rig safely and effectively? If you are preparing to take the CDL air brake test, you need to be ready to answer some challenging questions. You will need to know the parts that make up the air brake system, how to use the brakes on steep declines, and driver safety. Try our Free Colorado CDL Air Brake Practice Test to prepare for the real exam at the DMV. With 25 questions that cover the same topics as the actual exam, our practice test is an invaluable study tool. If you score an 80% or above on our test, you will know that you are prepared for your endorsement exam because we used the official Colorado CDL Handbook as a guide.

Did you know that if you fail the CDL brake test, you will have a restriction on your license? Each one of our questions tells you the correct response so that you can learn from your mistakes. Take our Free Colorado CDL Air Brake Test to ensure you are ready for test day.

Rating: 3.9 out of 5 based on 120 votes.
Colorado CDL Air Brakes Overview:
25 Total number of questions:
20 Number of questions required to pass:
80 Percentage required to pass:
Colorado CDL Handbook 2019

Get the latest (2019) official CO CDL Handbook.