According to the manual, where are WRONG WAY signs placed on a one-way street or ramp?
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A.
Only where the road curves out of view
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B.
At every intersection along the route
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C.
Farther down the one-way street or ramp Correct
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D.
At the entrance to the street or ramp
The answer is "Farther down the one-way street or ramp"
The manual places WRONG WAY signs farther down the one-way street or ramp so they catch the attention of a driver who has already turned the wrong way. Choice D confuses WRONG WAY with its partner sign DO NOT ENTER, which the manual puts at the beginning of the street or ramp, not farther down.
The traps in the wrong answers
A. Only where the road curves out of view
Placement follows the road type, not geometry; the manual sets no visibility qualifier for WRONG WAY signs. This answer reads the sign's job of catching the driver's attention as tied to blind curves and sight lines rather than to any one-way street or ramp.
B. At every intersection along the route
The manual sets no every-intersection placement rule for WRONG WAY signs. This answer generalizes the sight of repeated WRONG WAY panels along a freeway exit ramp into a blanket rule that they sit at every intersection.
D. At the entrance to the street or ramp
The DO NOT ENTER sign is what the manual puts at the entrance; WRONG WAY sits farther down as the second alert. This answer swaps the two paired signs, remembering that one of them greets a wrong-way driver at the entrance without keeping track of which one.
This question tests your knowledge of Regulatory Signs in Pennsylvania. Source: Pennsylvania Driver Manual, "Regulatory Signs," p.11..
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