Oregon interstate speed limits:
-
A.
vary by location Correct
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B.
are set by individual counties, not the state
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C.
are uniformly 65 mph statewide
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D.
are uniformly 70 mph statewide
The answer is "vary by location"
Oregon interstate speed limits vary by location. The manual's Interstate Speed Limits entry states plainly that speed limits will vary on interstate highways, so there is no single statewide number to memorize; obey whatever speed is posted on your segment. The lure of C is a familiar rural number generalized into a single statewide cap, despite the manual's note that interstate speed limits vary.
The traps in the wrong answers
B. are set by individual counties, not the state
Oregon's speed limits, including those on interstates, are set in law by the state, not by individual counties. This answer confuses state-set interstate speed limits with local ordinances; the manual presents speed limits as state-defined rules.
C. are uniformly 65 mph statewide
The manual states that speed limits will vary on interstate highways, so 65 mph is not a single statewide cap. This answer treats a familiar rural number as a single statewide cap, ignoring the manual's note that interstate speed limits vary.
D. are uniformly 70 mph statewide
The manual states that interstate speed limits vary; 70 mph is not applied uniformly across every Oregon interstate. This answer generalizes a higher posted limit to every interstate statewide, ignoring the manual's statement that limits vary.
This question tests your knowledge of Speed Limits in Oregon. Source: Oregon Driver Manual, "Speed Regulations - Interstate Speed Limits," p.19..
Related Oregon questions
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