Unless otherwise posted, what is the default speed limit on other highways and in rural areas in Illinois?
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A.
65 mph
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B.
45 mph
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C.
50 mph
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D.
55 mph Correct
The answer is "55 mph"
Other highways and rural areas carry a 55 mph default in Illinois. A trips drivers who assume any rural road runs at highway pace; Illinois reserves 65 mph for four-lane highways and holds ordinary rural roads at 55.
The traps in the wrong answers
A. 65 mph
65 mph is the listed default for highways with four lanes, not for other highways and rural areas, which Illinois lists at 55 mph unless otherwise posted. This answer applies the four-lane highway figure to any road outside town, treating rural as a synonym for highway.
B. 45 mph
45 mph is not the listed default for other highways and rural areas; Illinois lists that category at 55 mph unless otherwise posted. This answer assumes rural back roads run slower than the manual's blanket rural default.
C. 50 mph
50 mph is not the listed default for other highways and rural areas; Illinois lists that category at 55 mph unless otherwise posted. This answer rounds Illinois's 55 mph rural default down to a rounder 50 that fits the nearest multiple of ten.
This question tests your knowledge of Speed Limits in Illinois. Source: Illinois Rules of the Road, "Speed Limits," p.24..
Related Illinois questions
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