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South Dakota Operator License Knowledge Practice Test

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School Zones, Railways & Work AreasStandalone practice

On a two-lane road, a school bus ahead of you turns on its flashing amber lights but has not stopped yet. If you pass it, what is the highest speed South Dakota law allows?

Blue A follows yellow school bus B north on a two-lane road with a broken yellow center line. The bus has not stopped and its amber warning lamps flash, shown again in a close detail. There is no passing route or selected speed.

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You come to a railroad crossing with no gate. The side-by-side red lights on the crossbuck post start to flash, but you cannot see a train. What must you do?You are stopped at a crossing with two sets of tracks. A long freight train passes on the near track. After its last car clears, the red lights keep flashing and the gate stays down. What should you do?You are about 150 feet from a railroad crossing. The red lights start to flash and the gate arm begins to come down. You can see a train, but it looks far away. What should you do?A work zone on a two-lane highway closes one lane. A flagger holds up a STOP paddle toward you. The open lane ahead looks clear, and you cannot see workers or machines near it. What should you do?A school bus ahead is stopped with its red lights flashing, and you come toward it from the opposite direction. On which of these roads may you go on without stopping?At 10 p.m., you enter a highway work zone. Signs show a reduced speed limit of 45 mph, and the normal limit is 65 mph. You see no workers or machines. What speed should you drive?

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