2025 Colorado Cdl Passenger - Test 1
The following questions are from real Colorado CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
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1. Over-the-counter medication:
Poses no safety risks to a driver.
Is not referenced by any laws regarding driving under the influence.
Cannot impair a driver.
Can affect a person’s ability to drive safely.
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Key Data
Number of Tests: 18
Number of Question: 20
Passing Score: 16
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