South Carolina Road Signs Practice Questions - South Carolina DMV Driver's License Knowledge Test Road Signs, Signals, And Pavement Markings Practice Exam

How do barrels, cones, tubes, and barriers help drivers in work zones?

They guide traffic and keep vehicles out of hazardous areas They show the legal maximum speed in ideal conditions They identify numbered highway routes They replace the need to watch for workers

Correct Answer:

They guide traffic and keep vehicles out of hazardous areas

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