While CDL standards are federal, the actual exam questions may vary slightly from state to state.
Questions in set
45
Per attempt
25
Passing score
20
Explanations
Every question
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What Lights and Emergency Equipment Are Checked During a CDL Inspection?
Lights and emergency equipment checks confirm that turn signals, brake lights, reflectors, and required safety gear are all working before a trip.
Like the rest of our Pre-Trip Inspection tests, test 4 doesn’t isolate this topic — its 45-question set pulls from every inspection category, with 25 questions per attempt and an explanation for every answer.
