Illinois DMV Permit Practice Test 2026

This page covers what you need to know for the Illinois driver's license knowledge exam: how the test works, the Illinois-specific rules that often show up on it, and sample questions with explained answers. Everything here is based on the official Illinois driver's manual and state traffic code (sources are listed at the bottom). The real Illinois test has 35 questions and you need 28 correct (80%) to pass.

When you're ready, take a free 25-question practice test that mixes Illinois-specific questions with general driving questions, with an explanation after every answer. Each attempt draws a new set. No signup needed.

Illinois Permit Test and Licensing Facts

Knowledge Test	35 questions, must score 28/35 (80%) to pass
Minimum Permit Age	15
Minimum License Age	16
Speed Limits	Highway: up to 70 mph \| Residential: 30 mph \| School Zone: 20 mph
DUI Law	BAC limit: 0.08% (Under 21: Zero Tolerance)
Point System	Three moving violations within 12 months can lead to a suspension. Drivers under 21 face at least a 30-day suspension for two violations within 24 months.

Rules Specific to Illinois

Illinois has zero tolerance for drivers under 21 — any trace of alcohol results in license suspension
Scott's Law requires drivers to slow down and change lanes when approaching stopped emergency vehicles
Illinois requires all new drivers under 18 to complete a minimum of 50 hours supervised driving

Sample Illinois Permit Test Questions

These questions cover rules that are specific to Illinois. They're the ones people most often miss, because the answer differs from state to state.

When no speed limit sign is posted, what is the maximum speed limit in an urban district?
- A. 20 mph
- B. 25 mph
- C. 30 mph
- D. 35 mph
Answer: 30 mph. Illinois sets default “statutory” limits; in an urban district, the default maximum is 30 mph unless otherwise posted.
On a roadway that is NOT in a business or residential district, how long must you signal before turning or changing lanes?
- A. At least 50 feet
- B. At least 100 feet
- C. At least 150 feet
- D. At least 200 feet
Answer: At least 200 feet. Illinois requires a longer signal distance outside business/residential areas so others have more time to respond.
For a driver under 21, the state’s Zero Tolerance law applies when the driver’s alcohol concentration is:
- A. 0.00% exactly
- B. Greater than 0.00% but less than 0.08%
- C. 0.05% or higher
- D. 0.08% or higher
Answer: Greater than 0.00% but less than 0.08%. Illinois can impose under-21 penalties when any alcohol is detected above 0.00% even if it is below 0.08%.
Children must ride rear-facing until at least age 2, unless they exceed which limits?
- A. 30 pounds or 30 inches
- B. 35 pounds or 35 inches
- C. 40 pounds or 40 inches
- D. 50 pounds or 50 inches
Answer: 40 pounds or 40 inches. Illinois’ rear-facing rule applies until age 2 unless the child is over 40 pounds or over 40 inches tall.
A “hands-free” restriction applies near an emergency scene. Within what distance of an emergency scene may drivers NOT use a handheld phone?
- A. Within 100 feet
- B. Within 250 feet
- C. Within 500 feet
- D. Within 1,000 feet
Answer: Within 500 feet. Illinois restricts handheld phone use within 500 feet of an emergency scene (with limited exceptions like contacting emergency services).
At what age can an Illinois teen get an instruction permit if enrolled in an approved driver education course?
- A. 14
- B. 15
- C. 16
- D. 17
Answer: 15. Teens aged 15 to 17 can get an instruction permit with proof of enrollment in approved driver education.
How long must an Illinois driver aged 15 to 17 hold an instruction permit before getting a license?
- A. 3 months
- B. 6 months
- C. 9 months
- D. 12 months
Answer: 9 months. The permit must be held for at least nine consecutive months, with no infractions or court supervisions.
How much supervised driving must an Illinois driver under 18 complete before getting a license?
- A. 30 hours, 5 at night
- B. 40 hours, 10 at night
- C. 50 hours, 10 at night
- D. 60 hours, 15 at night
Answer: 50 hours, 10 at night. Drivers under 18 need at least 50 hours of supervised driving, including 10 at night, with a parent or licensed adult 21 or older.
What are the nighttime driving restrictions for an Illinois permit holder or new driver under 18 on a Friday or Saturday?
- A. 10 p.m. to 6 a.m.
- B. 11 p.m. to 6 a.m.
- C. Midnight to 5 a.m.
- D. 1 a.m. to 5 a.m.
Answer: 11 p.m. to 6 a.m.. Sunday through Thursday the restricted hours are 10 p.m. to 6 a.m. On Friday and Saturday they're 11 p.m. to 6 a.m., and local curfews may differ.
For the first 12 months of an Illinois license (or until age 18), how many passengers under 20 may a teen driver carry, not counting siblings or children?
- A. None
- B. One
- C. Two
- D. Three
Answer: One. New drivers may carry only one passenger under 20 unless the passengers are siblings, stepsiblings, children, or stepchildren.
Under Illinois law, drivers under what age may not use a cellphone while driving, even hands-free, except in an emergency?
- A. Under 17
- B. Under 18
- C. Under 19
- D. Under 21
Answer: Under 19. Drivers under 19 can't use any wireless phone while driving, including hands-free, except to call police, a health care provider, or emergency services.
Unless otherwise posted, what is the speed limit on Illinois interstates and tollways?
- A. 55 mph
- B. 65 mph
- C. 70 mph
- D. 75 mph
Answer: 70 mph. Interstates and tollways default to 70 mph, four-lane highways to 65 mph, and other highways and rural areas to 55 mph.
What is the default speed limit on an Illinois highway with four lanes?
- A. 55 mph
- B. 60 mph
- C. 65 mph
- D. 70 mph
Answer: 65 mph. Four-lane highways default to 65 mph unless posted otherwise.
What is the school zone speed limit in Illinois when children are present and signs are posted?
- A. 15 mph
- B. 20 mph
- C. 25 mph
- D. 30 mph
Answer: 20 mph. The limit is 20 mph on school days between 6:30 a.m. and 4 p.m. when children are present. You must also stop using a handheld phone.
What is the speed limit in an Illinois alley?
- A. 10 mph
- B. 15 mph
- C. 20 mph
- D. 25 mph
Answer: 15 mph. Illinois alleys default to 15 mph.
When are you NOT required to stop for a stopped Illinois school bus with its stop arm out?
- A. When no children are visible
- B. When you and the bus are on a four-lane road and the bus is going the opposite direction
- C. When you're behind the bus
- D. On any divided road
Answer: When you and the bus are on a four-lane road and the bus is going the opposite direction. You don't have to stop only when both vehicles are on a four-lane roadway and the bus is stopped facing the opposite direction. Any other time you must stop.
When a railroad crossing signal is flashing or the gate is down in Illinois, where must you stop?
- A. Right at the tracks
- B. Within 5 to 10 feet of the tracks
- C. Within 15 to 50 feet of the tracks
- D. At least 100 feet back
Answer: Within 15 to 50 feet of the tracks. Stop 15 to 50 feet from the crossing when there's a stop sign, flashing signal, lowered gate, flagger, or approaching train.
In Illinois, you may not park within how many feet of a STOP sign, YIELD sign, or traffic signal?
- A. 15 feet
- B. 20 feet
- C. 30 feet
- D. 50 feet
Answer: 30 feet. Standing or parking is prohibited within 30 feet of a STOP sign, YIELD sign, or traffic control signal.
You may not park within how many feet of a crosswalk at an Illinois intersection?
- A. 10 feet
- B. 15 feet
- C. 20 feet
- D. 30 feet
Answer: 20 feet. Parking within 20 feet of a crosswalk at an intersection, or of a fire station driveway, is prohibited.
When must Illinois drivers dim their high beams?
- A. 100 feet before meeting or passing
- B. 500 feet before meeting an oncoming vehicle, 300 feet before passing
- C. 1,000 feet before meeting an oncoming vehicle
- D. Only in cities
Answer: 500 feet before meeting an oncoming vehicle, 300 feet before passing. Dim bright lights 500 feet before meeting an oncoming vehicle and 300 feet before passing a vehicle.
What following-distance rule does the Illinois Rules of the Road recommend in good conditions?
- A. Two-second rule
- B. Three-second rule
- C. Five-second rule
- D. One car length per 10 mph
Answer: Three-second rule. Use the three-second rule in good conditions, and increase your following distance in bad weather or on poor roads.
How much space must you leave when passing a pedestrian walking on the road or shoulder in Illinois?
- A. At least 2 feet
- B. At least 3 feet
- C. At least 5 feet
- D. Half a lane
Answer: At least 3 feet. Keep at least 3 feet from pedestrians and bicyclists when passing, including cyclists in a bike lane or on the shoulder.
When must an Illinois driver file a crash report, regardless of fault?
- A. Only if police respond
- B. If there's a death, injury, or more than $1,500 in property damage
- C. Only if damage exceeds $2,500
- D. Only if someone is uninsured
Answer: If there's a death, injury, or more than $1,500 in property damage. A report is required for any crash with death, bodily injury, or property damage over $1,500. The threshold is lower if a vehicle is uninsured.
What are Illinois's minimum liability insurance limits?
- A. $20,000 / $40,000 / $15,000
- B. $25,000 / $50,000 / $20,000
- C. $30,000 / $60,000 / $25,000
- D. $50,000 / $100,000 / $50,000
Answer: $25,000 / $50,000 / $20,000. Illinois requires $25,000 for injury or death of one person, $50,000 for more than one person, and $20,000 for property damage.
What happens if you refuse chemical testing in Illinois (first refusal, no prior DUI history)?
- A. A 3-month suspension
- B. A 6-month suspension
- C. A one-year suspension
- D. A fine only
Answer: A one-year suspension. Refusing chemical testing suspends your driving privileges for one year, and longer if you have prior DUI-related actions.
An Illinois driver under 21 who is convicted of two or more moving violations within 24 months faces what?
- A. A warning letter
- B. A minimum 30-day suspension
- C. A minimum 1-year revocation
- D. Mandatory retesting only
Answer: A minimum 30-day suspension. Drivers under 21 with two or more moving violations in 24 months face at least a 30-day suspension.
When must Illinois drivers turn on their headlights?
- A. From sunset to sunrise, and whenever conditions require windshield wipers
- B. Only after full dark
- C. Only in fog
- D. Only on rural roads
Answer: From sunset to sunrise, and whenever conditions require windshield wipers. Lights should be used from sunset to sunrise, and Illinois law requires headlights whenever your windshield wipers are needed.

Illinois Permit Test FAQ

How many questions are on the Illinois permit test?

The Illinois knowledge test has 35 multiple-choice questions. You need at least 28 correct answers (80%) to pass.

How old do you have to be to get a learner's permit in Illinois?

The minimum age for a learner's permit in Illinois is 15. The minimum age for a driver's license is 16.

What is the legal blood alcohol limit in Illinois?

Illinois calls impaired driving DUI. The limit is 0.08% BAC for drivers 21 and over, and zero tolerance (any detectable alcohol) for drivers under 21.

How does the Illinois driver point system work?

Three moving violations within 12 months can lead to a suspension. Drivers under 21 face at least a 30-day suspension for two violations within 24 months.

What are the default speed limits in Illinois?

Typical limits in Illinois are up to 70 mph on highways, 30 mph in residential areas and 20 mph in school zones. Posted signs always take priority.

Sources

The facts and questions on this page are based on the following official Illinois government sources:

Facts and questions last checked against the Illinois Rules of the Road 2026 on September 24, 2026.

Laws change. Always check the current Illinois driver's manual before your test. This site is unofficial and not affiliated with any Illinois government agency.