Which of the following is not designed to prevent individuals from entering sensitive areas but instead is intended to direct traffic flow?
a. type v controlsb. barricadec. fencingd. roller barrier

B. Barricade.

Explanation:

Barricades are movable waist-height fences placed on the road to prevent individuals from accessing the road due to maintenance or traffic control.

Roller barrier is located on both sides of a road to mark road path, to prevent individuals from accessing the paths beyond the road. Fencing is a fixed structure used to mark individual land space, to prevent unauthorized access.

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