Colorado CDL Practice Test: Passenger - Test 2023
Based on 2023 CO CDL Handbook
Instruction: To obtain this endorsement for driving a passenger vehicle, applicants must pass a 20-question test. And to pass the test, applicants must score at least 80%. Test questions are from the CO CDL Handbook. The School Bus endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Colorado DMV locations.
1. Where are the identification numbers assigned to chemicals located?
In the truck's manual
In the DOT Emergency Response Guidebook (ERG)
On the EPA’s website