What category of information do yellow diamond-shaped signs convey?
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A.
Possible hazards or changes in road conditions ahead Correct
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B.
Required actions, such as stopping or yielding
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C.
Routes, distances, and exit information
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D.
Services available at the next exit
The answer is "Possible hazards or changes in road conditions ahead"
Yellow diamond signs are warning signs; they alert you to a possible hazard or a change in road conditions ahead. Each sign category in Oregon pairs a distinct color with a shape, so confusing warning signs with regulatory, route, or service signs is a common error on this topic. Drivers who pick B are reaching for the category that commands an action such as stopping or yielding, but that job belongs to regulatory signs rather than to the yellow warning diamond.
The traps in the wrong answers
B. Required actions, such as stopping or yielding
Required actions are conveyed by regulatory signs. That category covers the red prohibitive set such as Stop and Yield along with white rectangles carrying black words or symbols. This answer confuses warning signs with the category that tells you what to do rather than alerting you to a hazard.
C. Routes, distances, and exit information
Routes and exits are shown on guide and route signs, not on yellow warning signs. This answer confuses yellow warning signs with guide or route signs that convey navigation information.
D. Services available at the next exit
Services like food, gas, and lodging are shown on blue motorist service signs, not yellow warning signs. This answer confuses yellow warning signs with blue motorist service signs that point to fuel, food, or lodging.
This question tests your knowledge of Warning Signs in Oregon. Source: Oregon Driver Manual, "Warning Signs," p.10..
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