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Anyone who operates a motor vehicle on the public roads in Idaho is required to have a valid driver's license or learner’s permit. Applicants must be 15 years old or older to take the written knowledge and skills tests. The Idaho written knowledge test will cover the contents of the ID DMV Driver's Manual including road rules, highway signs, traffic signals, pavement markings, safe driving practices and equipment required on motor vehicles. The Idaho DMV written test consists of 40 questions, and you are allowed to miss 6 questions to pass the test.
1. When passing other vehicles, drivers should:
pass the vehicle as slowly as possible.
apply the brake and slow down.
make sure the passing lane is clear of traffic, and check behind and to the left to make sure another vehicle is not attempting to pass.
All of the above.
2. This sign means:
center lane left turns sign
The center lane is shared for left turns.
Vehicles may only turn left.
Left turns in both directions of travel are not permitted.
All of the above.
3. To avoid becoming an aggressive driver, you should:
Adjust your schedule to drive during times with the most highway traffic.
Listen to heavy metal music.
Allow enough travel time to reach your destination on schedule.
None of the above.
4. When you prepare to make a left turn from a one-way road into a one-way road, you must:
move into the right lane, or to the right side of a single lane.
move into the right lane, or to the left side of a single lane.
move into the left lane, or to the left side of a single lane.
None of the above.
5. This road sign means:
cross road sign
Lane change
Hospital parking ahead
6. When changing lanes, you should not:
check to see if other drivers are moving into the same lane.
rely on the inside rearview mirror to check for blind spots.
check your side and rear view mirrors.
signal your intentions early.
7. BAC is expressed in:
percentage of blood to alcohol.
ounces of alcohol in your blood.
AAI (Acute Alcohol Intoxication) level.
percentage of alcohol to blood.
8. You should increase your following distance when:
following a motorcycle.
exiting a freeway.
driving behind a large vehicle that blocks your vision.
All of the above.
9. When parked facing downhill, your front wheels should be turned:
toward the curb.
away from the curb.
in any direction.
parallel to the curb.
10. To pass a bicyclist traveling in the same direction on a two-lane road without bicycle lanes, you should:
slow down and wait until there is no oncoming traffic, then pass the bicyclist leaving him or her sufficient space.
not pass the bicyclist until you come to a traffic signal or stop sign.
honk at the bicyclist to let him or her know you are about to pass.
continue driving straight, it is the bicyclist’s responsibility to get out of your way.
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ID DMV Knowledge Test

Number of questions: 40
Correct answers to pass:34
Passing score:85%
Minimum age to apply: 14 ½
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