What do white pavement markings separate on an Oregon road?
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A.
The boundary of a no-passing zone.
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B.
Lanes of traffic moving in the same direction. Correct
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C.
A lane reserved for high-occupancy vehicles.
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D.
Lanes of traffic moving in opposite directions.
The answer is "Lanes of traffic moving in the same direction."
White separates traffic going the same way; yellow separates opposing directions. White also marks the right edge of the travel lane and appears in crosswalks, stop lines, symbols, and words; a solid white edge or fog line helps you stay on the road. The trap in D is that it puts white in yellow's role, describing opposing-direction separation as though it were done in white when the manual reserves that job for yellow.
The traps in the wrong answers
A. The boundary of a no-passing zone.
No-passing is carried by yellow line patterns, not by the color white. This answer attaches a passing rule to the wrong color.
C. A lane reserved for high-occupancy vehicles.
An HOV lane is identified by a sign and a painted white diamond, not by white lane lines generally. This answer reads one specific symbol as the whole category.
D. Lanes of traffic moving in opposite directions.
That is what yellow marks. This answer swaps the two colors, which is the most common marking mistake.
This question tests your knowledge of Road Markings in Oregon. Source: Oregon Driver Manual, "Pavement Markings," p.23..
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