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Wisconsin Class D Knowledge Test Practice

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Observation, Speed & SpaceStandalone practice

Driver A and Driver B drive the same model of car at 45 mph on the same dry road. Driver A watches the road ahead. Driver B looks down to change the radio station. A child runs into the road. Why does Driver B need more total distance to stop?

Two separate comparisons show the same model cars at 45 mph on the same dry road. A watches ahead; B looks down at the radio. A child appears at the same position in each comparison. No stopping bands or outcomes appear before answering.

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It is snowing, and traffic is heavier than usual. You use the handbook's four-second rule and add time for each bad condition. What is the shortest following time that the rule gives?The car ahead passes a mailbox, and you start to count: “one thousand one, one thousand two...” Your front bumper reaches the mailbox as you say “one thousand two.” The road is dry and traffic is light. What does this tell you?At night on an unlit rural road, your low beams light only a short part of the road ahead. The posted limit is 55 mph, and an oncoming car is about 400 feet away. What should you do about your speed?In daylight, you drive on a hilly two-lane road with many curves. Because of the curves and the hilltops, you can see only about 4 to 5 seconds of road ahead of your car. The posted limit is 55 mph, and you drive at 50 mph behind another car. What should you do?You are first in line at a red light. The light turns green. What should you do before you drive into the intersection?The posted limit is 45 mph. Fresh snow covers the road, and some drivers are still going about 45 mph. What speed does Wisconsin law require of you?

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