A white steady two-way left-turn arrow is displayed over a lane. What does the manual say about that lane?
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A.
It becomes a through lane once your turn is completed
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B.
It is shared by left-turning drivers approaching from the opposite direction Correct
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C.
It is reserved exclusively for drivers turning left from your direction
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D.
It allows left turns and U-turns from either direction
The answer is "It is shared by left-turning drivers approaching from the opposite direction"
The two-way left-turn arrow lane is shared by left-turning drivers approaching from the opposite direction. Drivers who pick C are half-remembering the one-way left-turn arrow described one line above in the same section, which reserves that lane to a single direction of travel.
The traps in the wrong answers
A. It becomes a through lane once your turn is completed
The signal governs left turns; it does not shift the lane into through use. Borrows from the reversible-lane signals (yellow X and red X) in the same section, where a lane's direction of travel actually changes, and applies that shift-in-purpose logic to the two-way left-turn arrow.
C. It is reserved exclusively for drivers turning left from your direction
The two-way version explicitly shares the lane with opposing left-turners. Mirrors the one-way left-turn arrow rule stated one line above in the same section, which reserves that lane to a single direction of travel.
D. It allows left turns and U-turns from either direction
The signal permits left turns only; the phrase 'two-way' names who shares the lane, not which movements are allowed. Carries over the habit of using a wide center turn pocket for U-turns as well as left turns.
This question tests your knowledge of Traffic Lights in Pennsylvania. Source: Pennsylvania Driver Manual, "LANE USE CONTROL SIGNALS," p.8..
Related Pennsylvania questions
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