Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
At the signed thru-turn layout shown, direct left turns are prohibited. How do you reach the road on your left?
Blue A approaches the original junction from the left in the eastbound lane. A NO LEFT TURN sign controls that approach. The divided road continues to a designated signalized U-turn farther right, connecting the eastbound and westbound lanes. The destination side road extends upward from the original junction.
Correct answer: Go straight, U-turn at the next signal, then turn right
Why
For the thru-turn described in Idaho’s handbook, continue through the intersection, follow the marked route to the next signalized U-turn, return toward the original intersection and turn right. Obey every signal and lane marking along that route; do not improvise a U-turn.
Verified against Idaho Driver’s Handbook, July 2026 · Thru-turn intersection route · p. 63
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