According to the manual, at which of these locations does the law prohibit U-turns?
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A.
On roads with a posted speed limit over 40 mph
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B.
At any four-way stop intersection
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C.
Near the crest of a hill Correct
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D.
On any downhill grade
The answer is "Near the crest of a hill"
The manual gives two blanket location restrictions on U-turns: curves and the crest of a hill. Both hide you from oncoming drivers who cannot begin to react until they are already too close. U-turns are also illegal wherever a NO U-TURN sign is posted, but the manual does not attach U-turn restrictions to four-way stops, downhill grades, or a speed-limit threshold. Drivers drawn to D carry brake-and-parking concerns about downgrades into a turning rule where those concerns do not belong.
The traps in the wrong answers
A. On roads with a posted speed limit over 40 mph
The manual does not tie U-turn legality to a speed-limit threshold. This answer invents a speed cutoff not stated in the manual.
B. At any four-way stop intersection
The manual does not prohibit U-turns at four-way stops as a category. This answer treats stop-controlled intersections as blanket bans on unusual maneuvers.
D. On any downhill grade
Downhill grade is not listed as a U-turn restriction in the manual. This answer extends brake-and-parking worries about downgrades into a turning rule.
This question tests your knowledge of Turning in Pennsylvania. Source: Pennsylvania Driver Manual, "U-Turns," p.46..
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