On a public highway, you see a triangular emblem on the back of a vehicle ahead: a fluorescent orange center surrounded by a reflective red border. What does this emblem identify?
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A.
A vehicle carrying a hazardous materials load.
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B.
A slow-moving vehicle, such as farm equipment. Correct
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C.
A vehicle in a funeral procession.
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D.
A load that extends beyond the rear of the vehicle.
The answer is "A slow-moving vehicle, such as farm equipment."
This is the Slow Moving Vehicle (SMV) emblem. It must be displayed on slow-moving vehicles such as farm equipment when they're using a public highway. The reflective red border (visible at night) and fluorescent orange center (visible in daylight) work together to signal a vehicle that travels much slower than normal traffic. Be prepared to slow down or adjust your position when you see this sign.
The traps in the wrong answers
A. A vehicle carrying a hazardous materials load.
Hazmat placards are square diamonds with codes and a class number, not the orange-and-red SMV triangle the manual ties to slow-moving vehicles like farm equipment. Misreading: Treats the SMV emblem as a hazmat placard; the manual assigns the reflective red border and fluorescent orange center to slow-moving vehicles on a public highway, not to hazardous loads.
C. A vehicle in a funeral procession.
The manual discusses funeral processions separately and does not assign them the orange-and-red triangle; that emblem is reserved for slow-moving vehicles using a public highway. Misreading: Confuses funeral-procession identifiers with the SMV emblem; the manual ties the reflective-red-border, fluorescent-orange-center triangle to slow-moving vehicles, not processions.
D. A load that extends beyond the rear of the vehicle.
The manual marks over-length loads with a red flag at least 12 inches square (or a red light in limited visibility), not with the orange-and-red SMV triangle. Misreading: Confuses the over-length-load red flag/red light rule with the SMV emblem, which the manual identifies as the marker for slow-moving vehicles on a public highway.
This question tests your knowledge of Sharing the Road in Oregon. Source: Oregon Driver Manual, "Sharing the Road, Other Vehicles, Slow Moving Vehicles," p.56..
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