According to the manual, when is it safe to wave a pedestrian into a line of moving traffic?
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A.
It is safe at any marked crosswalk in your line of sight.
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B.
It is never safe, whether the location is marked or unmarked. Correct
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C.
It is safe when only one lane of traffic is moving.
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D.
It is safe once the pedestrian nods to accept the wave.
The answer is "It is never safe, whether the location is marked or unmarked."
The manual takes an absolute position: waving a pedestrian into a line of traffic is never safe, and the danger is greatest at unmarked and mid-block locations where drivers in adjacent lanes have no reason to expect a crossing. Drivers who pick the marked-crosswalk option are half-remembering the yield-at-crosswalks bullet from a few lines above on the same page; the wave rule sits at the end of that same pedestrian list and carries no such exception.
The traps in the wrong answers
A. It is safe at any marked crosswalk in your line of sight.
The crosswalk does not tell drivers behind or beside you that a pedestrian is stepping out at your invitation. This answer half-remembers the yield-at-crosswalks bullet a few lines above and assumes the paint carries the same yield duty over to a private hand signal.
C. It is safe when only one lane of traffic is moving.
Multi-lane roads are the worst case, but the manual bars the practice in any line of traffic. This answer reads 'line of traffic' as multi-lane only, borrowing the informal rule of thumb that a single-lane wave is harmless when the manual applies the warning at any time.
D. It is safe once the pedestrian nods to accept the wave.
The pedestrian's acknowledgment does not clear the other lanes you cannot control. This answer treats the wave as a two-party deal in the habit of a courtesy exchange, when the danger sits with drivers in adjacent lanes who never saw the nod.
This question tests your knowledge of Sharing the Road in Pennsylvania. Source: Pennsylvania Driver Manual, "Sharing the Road With Pedestrians, Bicyclists, and Motorcyclists and Moped Drivers - Pedestrians," p.55..
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