2026 North Dakota General Knowledge CDL Practice Test 4

Wait until the vehicle ahead of you passes a shadow or landmark. Then count the seconds until you reach it. Send a text message to a friend to text you back in ten seconds. See how far you have traveled in that time. Use the stopwatch on your cell phone to determine how long it takes you to reach a mile marker after the vehicle in front of you has passed it. Get 1/4 closer to the vehicle in front of you, then back off again. Multiply how long this took you by four to give the following distance.