In Partnership with Scott County Library System

View instructions
Anyone who operates a motor vehicle on public streets and roads in Iowa is required to have a driver’s license or learner’s permit. Iowa requires that you pass a vision screening before you get a driver’s license or learner’s permit. The IA DMV written test covers the contents of the Iowa Driver's Manual including highway signs, road rules, and safe driving techniques. The Iowa DMV knowledge test consists of 35 questions, and you'll need at least 28 correct answers to pass (80%). Practice with this sample test to get ready for the official IA driver's license test.
1. This sign indicates the _______________ vehicles can safely travel in this area.
speed limit sign
reaction speed
minimum speed
suggested speed
maximum speed
2. A thumping sound can be a warning:
of a brake failure.
of a steering failure.
that a tire blowout is about to occur.
of a headlight failure.
3. This traffic sign warns you about:
hill sign
an intersection ahead.
a winding road.
a hill or a downgrade up ahead on the road.
merging traffic.
4. When they see a crossbuck sign, drivers:
are legally required to yield the right of way to trains.
must always come to a complete stop.
must cross the intersection immdiately.
must slow down and wait for the red lights to flash.
5. This sign indicates:
low clearance sign 2
the overpass ahead has a low clearance.
a steep grade is ahead.
the maximum width of a vehicle allowed on the highway.
the maximum legal height allowed in this State.
6. When getting ready to change lanes, you should:
quickly turn your head to check for other vehicles.
check your side view mirror.
check your rearview mirror.
All of the above.
7. When approaching a curve, remember to:
drive at the posted speed limit throughout the curve.
slow down before entering the curve.
accelerate slightly before entering the curve.
drive at the posted speed limit as you enter the curve, then slow down gradually.
8. Which statement about drinking alcohol and driving is true?
Alcohol affects judgement and coordination, which are needed to drive safely.
If you are under the legal BAC limit, your driving is not affected.
After drinking, a cold shower will sober you up.
9. Who is most at risk?
Drivers who are fatigued.
Drivers who are driving on long, boring roads.
Long-distance commuters.
All of the above.
10. This road sign warns drivers that:
two way traffic ahead sign
they cannot go straight ahead.
they are coming to a point where another traffic lane joins the one they are on.
a divided highway is ahead.
the one-way street or roadway is about to change to two-way traffic.
Page 1 of 4
Next page

IA DMV Knowledge Test

Number of questions: 35
Correct answers to pass:28
Passing score:80%
Minimum age to apply: 14
Share This Online DMV Test
Rate this DMV Practice Test
4.8 out of 5
based on 240 votes