At an automated flagger device with the red light on and the stop arm down, you must:
-
A.
Stop and remain stopped Correct
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B.
Slow to 20 mph and proceed
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C.
Yield, then continue if traffic is clear
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D.
Treat it as a four-way stop
The answer is "Stop and remain stopped"
An automated flagger device has the same authority as a human flagger. When the red light is on and the stop arm is lowered, the device is signaling stop. Stay stopped until the light changes to flashing yellow and the arm rises. The device is not a yield sign, a four-way stop, or a school zone signal, so do not borrow rules from those situations.
The traps in the wrong answers
B. Slow to 20 mph and proceed
20 mph is the school speed zone limit; it is not the response to a stop arm. Misreading: Confuses the work-zone automated-flagger stop signal with the 20 mph school speed zone limit.
C. Yield, then continue if traffic is clear
Red plus lowered arm means stop, not yield. Misreading: Treats the red light and lowered stop arm as a yield sign rather than a full stop.
D. Treat it as a four-way stop
A four-way stop rule only applies at four-way stop intersections. Misreading: Imports the four-way stop right-of-way rule into a work-zone flagger situation where it does not apply.
This question tests your knowledge of Construction Signs in Oregon. Source: Oregon Driver Manual, "Work Zones," p.59..
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