To get a commercial driver's license (CDL) Class A or Class B in the United States, you must pass a knowledge test and an air brakes test. The air brakes test is crucial because it ensures that you understand how air brake systems work and how to properly inspect, maintain, and use them. Failing this test may prevent you from operating vehicles equipped with air brakes. Therefore, proper preparation is essential for passing the air brakes test and securing your CDL.
CDL Air Brakes Test: What You Need to Know
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