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North Dakota Class D Knowledge Practice Test
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Warning, Construction & Information SignsStandalone practice
You are in the right lane of a four-lane road. You pass a yellow diamond sign with two black lane lines; the right line bends in toward the left one. What should you do?
Correct answer: Signal, check your mirror and blind spot, and move left into a safe gap
Why
Lane-reduction signs come before the lane ends to give you time to merge smoothly. The warning can show a symbol or words such as RIGHT LANE ENDS or LANE ENDS MERGE LEFT. When you are in the lane that continues, help the merge with a steady speed and some space.
Verified against 2025-2027 Class D Noncommercial Driver License Manual · Warning signs · p. 15
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