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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
Turns, Lanes, Passing & MergingStandalone practice
Outside an incorporated city, a road posted 55 mph widens to add a passing lane. Your passenger car is not towing. Which pass may qualify for Idaho’s temporary 15-mph allowance?
Correct answer: Passing below-limit traffic on the left in the added lane
Why
This separate allowance concerns an extra lane created by widening the road for same-direction passing. The road must be posted at least 55 mph and outside an incorporated city; construction zones are excluded. It covers a passenger car, motorcycle or pickup not towing, overtaking traffic below the limit, subject to all other laws. Return right and reduce speed as soon as practicable.
Verified against Idaho Code 49-654 · Added passing lane speed exception
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