Colorado CDL Practice Test: Double and Triples - Test 4 2023
Based on 2023 CO CDL Handbook
Instruction: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the CO CDL Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Colorado DMV locations.
2. Stop light switches are necessary because ________.
This is a trick question. Stop light switches are not necessary.
To tell drivers how fast they are driving.
They warn other drivers when a vehicle is braking or coming to a stop.
They make your car look nice.
More CO CDL Tests
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36All - Test 2
37All - Test 3