An arrow panel in a work zone displays a caution pattern rather than a directional arrow. According to the manual, what does this pattern mean?
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A.
Move immediately into the far right lane.
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B.
A work area is next to the travel lane; drive with caution. Correct
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C.
The panel's bulbs have burned out.
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D.
Both lanes ahead are fully closed to traffic.
The answer is "A work area is next to the travel lane; drive with caution."
The manual says the caution display on an electric arrow panel indicates there is a work area ahead next to the travel lane, and drivers are told to drive with extra caution. Drivers who read every arrow panel as a merge instruction pick A, confusing the caution bar with the move/merge-right arrow.
The traps in the wrong answers
A. Move immediately into the far right lane.
A directional merge would use the move/merge-right arrow, not the caution display. This answer treats every arrow panel as a merge instruction and skips the separate caution pattern.
C. The panel's bulbs have burned out.
The manual lists the caution display as one of the panel's intentional messages, not a malfunction. This answer assumes an unfamiliar light pattern must be broken hardware rather than one of the defined messages the manual names alongside move/merge right and move/merge left.
D. Both lanes ahead are fully closed to traffic.
The caution display signals a work area next to the travel lane, not a full closure. This answer reads the caution pattern as the panel's most severe warning and jumps to a total road shutdown, borrowing from the LANE CLOSED AHEAD sign rather than reading the arrow-panel entry itself.
This question tests your knowledge of Construction Signs in Pennsylvania. Source: Pennsylvania Driver's Manual, "Electric Arrow Panels," p.19..
Related Pennsylvania questions
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