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Oregon Class C Passenger Permit Practice Test
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Passing target: 80% (28/35)
Warning, Construction & Information SignsStandalone practice
You drive around a curve on a rural highway. You see a yellow diamond sign that shows a traffic light with red, yellow and green lamps. What should you do?
Correct answer: Slow down and be ready to stop at a traffic signal ahead.
Why
Yellow warning signs tell you about a hazard or a change in the road ahead. The Signal Ahead sign gives you time to find the signal and react before you reach it, so slow down early and stop smoothly if the light is yellow or red. A similar yellow diamond with a red octagon and an arrow, the Stop Ahead sign, warns of a stop sign ahead, and you respond the same way.
Verified against Oregon Driver Manual · Warning signs · p. 20, 19
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