When are you required to stop at an Oregon railroad crossing?
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A.
Only when an approaching train is clearly visible on the tracks ahead.
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B.
When red lights flash, a train approaches, a stop sign is posted, or a flagger signals stop. Correct
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C.
Only when the crossing gate has lowered completely across the road.
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D.
Only when following a school bus or hazmat vehicle that must stop at the tracks.
The answer is "When red lights flash, a train approaches, a stop sign is posted, or a flagger signals stop."
You must stop at a railroad crossing whenever any of four triggers fires: flashing red lights, an approaching train clearly visible or so close that crossing would be hazardous, a posted stop sign, or a flagger signaling you to stop. The rule combines machine signals (flashing lights), human signals (flagger), a posted stop sign, and your own judgment about train proximity. The trap is option A: flashing lights and a posted stop sign each trigger the requirement on their own, even when no train is in sight.
The traps in the wrong answers
A. Only when an approaching train is clearly visible on the tracks ahead.
Flashing red lights, a posted stop sign, or a flagger signaling you to stop each require a stop on their own, even when no train is visible. Misreading: Treats a visible train as the only trigger; ignores flashing lights, a posted stop sign, and a flagger as independent triggers listed in the manual.
C. Only when the crossing gate has lowered completely across the road.
The flashing red lights themselves require a stop; gates are a backup, and not every Oregon crossing has gates. Misreading: Treats a fully lowered gate as the sole trigger; the manual lists flashing lights, train proximity, a posted stop sign, and a flagger as separate triggers.
D. Only when following a school bus or hazmat vehicle that must stop at the tracks.
Being prepared to stop behind a school bus or hazmat vehicle is one situation, not the rule itself. Flashing lights, an approaching train, a posted stop sign, or a flagger each require you to stop regardless of what vehicle is ahead. Misreading: Misreads the manual's note that school buses and hazmat vehicles must stop at railroad tracks as the driver's own sole stop trigger, ignoring the four triggers listed for all drivers.
This question tests your knowledge of Sharing the Road in Oregon. Source: Oregon Driver Manual, "Railroad Crossings, Light Rail & Street Cars," p.64..
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