South Dakota Operator License Knowledge Practice Test
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You drive through a diverging diamond interchange and want to turn left onto the freeway ramp. After the first signal, your lanes cross over to the left side of the road. What should you expect?
Blue car A travels to the right on the upper roadway after the first crossover in a diverging diamond interchange. A freeway ramp branches upward from that roadway; the separate lower roadway carries traffic to the left.
Correct answer: Follow the lane markings; the left turn onto the ramp flows with no stop.
Why
At the first signal, traffic crosses to the left side, so each direction moves like a one-way street and left turns do not cross oncoming lanes. The general intersection rules still apply. Pedestrians use marked walkways and cross only at crosswalks, so watch for them.
Verified against South Dakota Driver License Manual · Interchanges · p. 42
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