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Q

After a roadside emergency stop, what should a CDL driver use to alert traffic?

General Knowledgemedium
ARequired warning devices
BOnly the radio
CNothing if the vehicle is visible

Detailed Explanation

Warning devices help approaching traffic see a stopped commercial vehicle and avoid a crash.

Correct Answer: Required warning devices

Reviewed by Baha Mustafa, CDL holder, against official CDL manuals and FMCSA rules.

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