Idaho Transportation Department (2024)


  1. If you are driving a car and are 21 years of age or older, you are considered to be driving under the influence if your blood-alcohol concentration (BAC) is:
  • .08 or more

  • Which of the following is a common cause of a crash:
    • All of the above (-Inattentive driving, -Excessive speed for the driving conditions, and -Following too closely)

  • If approaching an emergency vehicle that is stopped with lights flashing, and the road has two lanes carrying traffic in the same direction:
    • Reduce speed and safely vacate the lane closest to the emergency vehicle

  • If two vehicles arrive at a four-way stop at the same time:
    • The vehicle on the left must yield to the vehicle on the right

  • Before changing lanes:
    • Always check your blind spot

  • It is important to be on the alert for motorcycles because:
    • They are harder to see than cars

  • To drive more safely at night:
    • All of the above (-Increase following distance, -Don’t drive when you are tired, and -Make sure your headlights are working properly)

  • When you park parallel to a curb or edge of roadway:
    • You must park within 18 inches of the curb or edge of roadway

  • In what situation is it legal to pass a vehicle on the right, as long as you don’t leave the road:
    • If you are on a two-lane, two-way road and the vehicle you are overtaking is turning left

  • In what situation is it legal to pass in an intersection:
    • If a dashed yellow line is marked through the intersection

  • Motor vehicles must yield to pedestrians:
    • When the pedestrian is in a crosswalk at an intersection

  • Railroad crossings should always be considered:
    • Dangerous

  • When making a left turn:
    • Yield to oncoming traffic unless otherwise directed by a traffic signal

  • The best way(s) to avoid hydroplaning is:
    • All of the above (-Keep your tires properly maintained, -Slow down when roads are wet or slushy, and -Watch out for standing water or puddles)

  • This road sign means:

  • Idaho Transportation Department (1)
    • Right turn is not permitted

  • This road sign means:

  • Idaho Transportation Department (2)
    • Intersection/Crossroad

  • You do not have to stop for a school bus if:
    • You are traveling in the opposite direction on roadways with four or more lanes with two lanes going in each direction

  • What is Idaho’s “basic rule” law for driving speed:
    • Drive at a speed that is “reasonable and prudent” at all times

  • The best way to deal with tailgaters is to:
    • Change lanes when possible or gradually slow down to encourage them to pass

  • Which of the following is correct:
    • You may turn right after stopping at a steady red light and yielding to cross traffic – unless otherwise posted

  • In which of the following ways can drinking alcoholic beverages affect you:
    • All of the above (-Slows your reaction time, -Gives you a feeling of false confidence, and -Impairs your thinking ability)

  • Which of the following is the best thing to do before backing a car out of a driveway:
    • Check behind the vehicle before you get in

  • In Idaho, which of the following rules apply to bicyclists:
    • Bicyclists must yield right-of-way to vehicles in or already at the intersection

  • To avoid crashes with vehicles in your “blind spots”:
    • Quickly turn your head to see if your blind spot is clear, before changing lanes

  • Use of cell phones while driving:
    • Can distract you and cause a crash

  • It is important to make a reasonable effort to notify the owner of another vehicle:
    • If you hit their vehicle while it is unattended

  • When approaching a curve on a narrow road where the view is obstructed, it is best to:
    • Sound the horn and stay close to the right edge of the road while proceeding carefully

  • What is the correct response for dealing with emergency vehicles approaching from behind with lights flashing:
    • Immediately pull to the nearest curb or edge of roadway and stop

  • When following other vehicles, maintain a space cushion of at least:
    • Three seconds

  • When merging onto a freeway, it is usually best to:
    • Accelerate to the speed of the freeway traffic

  • When you are on the freeway in the right lane, allow room for vehicles merging onto the freeway by:
    • Safely moving into the next lane to allow them access

  • When can you proceed through an intersection with a stop sign, but no stop line or crosswalk:
    • After coming to a complete stop and ensuring it is safe to proceed

  • If the traffic signals are not functioning due to a power outage:
    • Treat the intersection as a four-way stop

  • When you need to change lanes, it is important to:
    • All of the above (-Signal your intentions ahead of time, -Check your blind spot, and -Make sure the lane is clear before entering)

  • Approximately one-half of all motorcycle crashes:
    • Involve another motor vehicle

  • Night driving can be more difficult because:
    • Your vision is reduced

  • When parking on a hill or incline with a curb, facing uphill:
    • Turn your front wheels sharply away from the curb

  • Parking is allowed:
    • Within 25 feet of a crosswalk

  • Passing is prohibited:
    • All of the above (-When you are behind a school bus that has stopped to load passengers, -On hills where your vision is restricted, and -Within 100 feet of oncoming traffic)

  • When passing other vehicles:
    • Check your mirrors and blind spots

  • Is it legal to pass when the pavement is marked with a double yellow line:
    • No

  • On roads with dashed white lines, they can be crossed over:
    • When it is safe to change lanes

  • Pedestrians must yield to motor vehicles:
    • When the pedestrian is crossing the street where there is no crosswalk or intersection

  • A person walking with a white cane or guide dog is likely to be:
    • A blind person

  • To be safe when crossing a railroad, you should:
    • Listen and look both ways and then proceed if it is safe to do so

  • If there are two railroad tracks next to each other:
    • When one train passes, watch out for another train on the other track

  • You must yield to other drivers:
    • In construction zones

  • You must yield to other drivers:
    • When entering a street from a garage or alley

  • If you need to drive in foggy conditions:
    • Turn on your headlights to low beams

  • Roads can be very slick under what conditions:
    • Both answers above (-When it has just started raining due to oil and water creating a greasy mix and -When there is moisture on the road and the temperature is at freezing or below)

  • The most common color of warning signs is:
    • Yellow

  • You must stop for a school bus:
    • If its red lights are flashing on a two-lane highway

  • When driving through school zones:
    • Observe posted speed limits

  • Seat belts benefit drivers by:
    • All of the above

  • Studies show that when worn, seat belts:
    • Reduce your chances of serious injury in a crash

  • When posting speed limits, state and local authorities:
    • May adjust speeds by posting speed limit signs

  • When is it illegal to drive below the speed limit:
    • When driving slowly disrupts the normal flow of traffic

  • If one of your tires blows out as you are driving:
    • Try to steer straight while gradually slowing to pull off the road

  • Coming to a complete stop at an intersection, yielding to cross traffic/pedestrians, and then proceeding when clear corresponds with:
    • A flashing red light

  • Which of the following traffic signals give you right-of-way to make a left turn:
    • A green arrow pointing left

    Idaho Transportation Department (2024)
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