A yellow-green warning sign most often alerts you to:
-
A.
A pedestrian or bicycle crossing Correct
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B.
Construction or maintenance zones
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C.
A slow-moving farm vehicle ahead
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D.
An upcoming change in speed limit
The answer is "A pedestrian or bicycle crossing"
Yellow-green warning signs alert drivers to pedestrian and bicycle crossings, playground areas, school bus stops, and school zones. Choice B traps readers who lump every fluorescent warning color together and mistake the yellow-green field for construction orange.
The traps in the wrong answers
B. Construction or maintenance zones
Construction and maintenance zone warnings use orange, not yellow-green. Blends two warning colors that print side by side in the manual's color chart because both are fluorescent.
C. A slow-moving farm vehicle ahead
Slow-moving vehicles show a fluorescent orange triangle on the back of the vehicle itself, not a roadside sign. Confuses a shade close to fluorescent orange with the SMV emblem carried on the vehicle's rear.
D. An upcoming change in speed limit
Yellow-green is reserved for the pedestrian, bicycle, playground, school bus stop, and school zone list, and speed information is not on that list. Treats yellow-green as a general attention color and assumes any advance-warning message, including a speed change, could ride on it.
This question tests your knowledge of Road Signs in Illinois. Source: Illinois Rules of the Road, "Colors of Signs," p.64..
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