Colorado CDL Practice Test: All - Test 2023
Based on 2023 CO CDL Handbook
Instruction: To obtain this endorsement required to drive a commercial vehicle, applicants must pass a 30-question test. And to pass the test, applicants must score at least 80%. Test questions are from the CO CDL Handbook. If you need additional information, please contact your local DMV office. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Colorado DMV locations.
1. You will lose your CDL for three years ______.
If you have any detectable amount of alcohol under .04%.
If you are caught committing an alcohol related offense for the second time.
If you are caught committing an alcohol-related offense (e.g. leaving the scene of an accident or committing a felony) while operating a CMV that is placarded for hazardous materials.
If you are caught committing a serious traffic violation involving a CMV.