Take Iowa Driver's Knowledge Test

QUESTION 1 / 25

In Iowa, what is the legal blood alcohol concentration (BAC) limit for drivers age 21 and older?

Choose one answer below.

A0.04%✓B0.06%✓C0.08%✓D0.10%✓

QUESTION 2 / 25

What is the BAC limit for drivers under 21 years old in Iowa?

Choose one answer below.

A0.00%✓B0.02%✓C0.04%✓D0.08%✓

QUESTION 3 / 25

Iowa's implied consent law means that by driving on Iowa roads, you have automatically agreed to:

Choose one answer below.

APay all traffic fines without appeal✓BSubmit to chemical testing if suspected of OWI✓CAllow police to search your vehicle at any time✓DAccept any traffic citation issued by an officer✓

QUESTION 4 / 25

In Iowa, OWI stands for:

Choose one answer below.

AOperating Without Insurance✓BOperating While Impaired✓COperating With Infraction✓DObstructing While Intoxicated✓

QUESTION 5 / 25

If you refuse to take a chemical test when requested by law enforcement in Iowa, your driver's license will be revoked for:

Choose one answer below.

A30 days✓B60 days✓C180 days✓D1 year✓

QUESTION 6 / 25

Alcohol affects driving ability by:

Choose one answer below.

AImproving night vision and reaction time✓BReducing reaction time and impairing judgment✓COnly affecting drivers after 5 or more drinks✓DHaving no effect when combined with food✓

QUESTION 7 / 25

What is the BAC limit for commercial vehicle drivers in Iowa?

Choose one answer below.

A0.02%✓B0.04%✓C0.06%✓D0.08%✓

QUESTION 8 / 25

What is the minimum age required to apply for an Iowa learner's permit?

Choose one answer below.

A14 years old✓B15 years old✓C16 years old✓D17 years old✓

QUESTION 9 / 25

What documents are generally required to apply for an Iowa driver's license?

Choose one answer below.

AProof of residency, Social Security number, and identity✓BOnly proof of identity✓CProof of vehicle ownership and insurance✓DA letter of recommendation from an employer✓

QUESTION 10 / 25

What does the Iowa written knowledge test for a driver’s license typically cover?

Choose one answer below.

ARoad signs, traffic laws, and safe driving practices✓BVehicle maintenance and repair✓CParking techniques only✓DBasic math skills✓

QUESTION 11 / 25

What is the primary purpose of the vision test when applying for an Iowa driver’s license?

Choose one answer below.

ATo test your ability to read road signs✓BTo determine if you need corrective lenses✓CTo assess your reaction time✓DTo check for color blindness✓

QUESTION 12 / 25

If you are under 18 years old, what are the restrictions for holding an Iowa provisional license?

Choose one answer below.

AYou must drive only during daylight hours✓BYou cannot drive with more than one non-family passenger under 21 years old✓CYou must always be accompanied by a licensed adult✓DYou can only drive within city limits✓

QUESTION 13 / 25

What is the legal BAC limit for drivers under 21 in Iowa?

Choose one answer below.

A0.02%✓B0.08%✓C0.05%✓D0.00%✓

QUESTION 14 / 25

In Iowa, when must you use your turn signal?

Choose one answer below.

AAt least 100 feet before turning or changing lanes✓BAt least 50 feet before turning✓COnly when other vehicles are nearby✓DOnly at intersections✓

QUESTION 15 / 25

What is Iowa's implied consent law?

Choose one answer below.

ABy operating a motor vehicle in Iowa, you consent to chemical testing if suspected of OWI✓BYou consent to vehicle searches at any time✓CYou consent to have your vehicle towed if illegally parked✓DYou consent to traffic stops without probable cause✓

QUESTION 16 / 25

At what age can an Iowa teenager obtain an intermediate driver's license?

Choose one answer below.

A16 years old✓B15 years old✓C17 years old✓D14 years old✓

QUESTION 17 / 25

In Iowa, what is the penalty for driving without valid auto insurance?

Choose one answer below.

AFine up to $1,000 and potential license suspension✓BA verbal warning✓CCommunity service only✓DNo penalty if no accident occurred✓

QUESTION 18 / 25

When must Iowa drivers yield to funeral processions?

Choose one answer below.

AAlways, unless directed otherwise by law enforcement✓BOnly at intersections with traffic signals✓COnly on highways✓DOnly when the procession has a police escort✓

QUESTION 19 / 25

What does a red octagonal sign mean in Iowa?

Choose one answer below.

AStop completely before proceeding✓BYield to traffic✓CSlow down✓DNo entry✓

QUESTION 20 / 25

What does a yellow pennant-shaped sign on the left side of a road indicate in Iowa?

Choose one answer below.

ANo passing zone✓BSchool zone✓CConstruction zone✓DMerge area✓

QUESTION 21 / 25

In Iowa, what does a green arrow traffic signal mean?

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AYou may proceed in the direction of the arrow after yielding to traffic and pedestrians already in the intersection✓BYou have absolute right of way in that direction✓COncoming traffic is stopped✓DPedestrians may not cross✓

QUESTION 22 / 25

What does a white diamond symbol painted on the road indicate in Iowa?

Choose one answer below.

AReserved lane for high-occupancy vehicles, buses, or bicycles✓BSpeed bump ahead✓CRailroad crossing✓DPedestrian crossing✓

QUESTION 23 / 25

What does a circular yellow sign with a black X and RR mean?

Choose one answer below.

ARailroad crossing warning ahead✓BRoad repair ahead✓CRoundabout ahead✓DRest area ahead✓

QUESTION 24 / 25

In Iowa, what does a flashing yellow traffic signal mean?

Choose one answer below.

AProceed with caution✓BStop and wait for green✓CYield to all traffic✓DThe signal is broken✓

QUESTION 25 / 25

What is the recommended following distance behind another vehicle in ideal driving conditions?

Choose one answer below.

A1 car length✓B2 seconds✓C3 seconds✓D5 seconds✓