A Keep Right sign appears ahead of you in the road. What does it indicate?
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A.
A traffic island or median divides the road ahead. Correct
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B.
Right turns are required at the next intersection.
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C.
Slower traffic should move into the right lane.
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D.
The right lane ends and traffic must merge.
The answer is "A traffic island or median divides the road ahead."
The Keep Right sign warns that a traffic island, median, or other obstruction splits the road ahead, and you must pass it on the right. It is placed at the divider so you have time to position your vehicle before reaching it. A driver who picks C is carrying over the separate slower-traffic-keep-right speed rule and applying it to what is actually an obstruction marker.
The traps in the wrong answers
B. Right turns are required at the next intersection.
Required turns are shown by lane-use control signs, not by Keep Right. This answer confuses Keep Right with Lane-Use Control signs, which are the regulatory signs that direct required or permitted turns from specific lanes.
C. Slower traffic should move into the right lane.
The slower-traffic-keep-right rule is a separate regulation; this sign is about the obstruction. This answer confuses the Keep Right sign with the Slow Drivers rule under Speed Regulations, which tells slower drivers to use the right lane.
D. The right lane ends and traffic must merge.
A lane ending uses a lane reduction warning sign, not Keep Right. This answer confuses the Keep Right regulatory sign with the yellow Lane Reduction warning sign described under Warning Signs.
This question tests your knowledge of Regulatory Signs in Oregon. Source: Oregon Driver Manual, "Regulatory Signs – Other," p.9..
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