The shield used to mark an Interstate highway uses which three colors?
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A.
Black on orange
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B.
Yellow and black
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C.
Green and white
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D.
Red, white, and blue Correct
The answer is "Red, white, and blue"
The Interstate shield uses red, white, and blue: a blue shield with a red banner over the route number in white lettering. Choice C is the trap because drivers see so many green-and-white highway guide signs overhead that they file that color scheme with anything highway-related, including the Interstate route marker itself.
The traps in the wrong answers
A. Black on orange
Black on orange marks work zones, not Interstate route markers. This answer reads orange as the loudest highway color and assumes Interstate signage borrows it.
B. Yellow and black
Yellow and black is the warning-sign palette, not the Interstate shield's colors. This answer applies the warning palette because it is the color pair drivers meet most often on rural roads.
C. Green and white
Green-and-white marks the overhead highway guide signs, not the Interstate route marker. This answer files any highway color under green because that is the palette drivers see most often on overhead panels.
This question tests your knowledge of Road Signs in North Carolina. Source: North Carolina Driver Handbook, "Chapter 5, Signals and Signs, Guide/Informational Signs," p.85..
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