Community QuestionSeen on 10 CBTs

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

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Answer

only when the vehicle does not require placards

8 of 10 indexed CBT versions give this answer·Answer index rebuilt Aug 17, 2026

The indexed versions don't agree on this one

This question appears on 10 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

8 of 10 versionsmost versions

only when the vehicle does not require placards

Cdl Hazmat Practice Test · Hazmat Practice · Hazmat Practice Tests · +5 more

2 of 10 versions

a. Never b. Only when the shipment does not cross state lines c. Only when the load is placarded d. All of the above A

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