360+ questions based on the official Illinois Rules of the Road. Realistic exam simulator with instant scoring. No signup required.
35 random questions with a 25-min simulator timer — mirrors the real Illinois DMV written test. Need 80% (about 28 correct) to pass.
Practice road signs exclusively — shapes, colors, and meanings. Perfect for targeting the sign section before your exam.
Test only the critical numbers — speed limits, distances, BAC limits, suspension periods. The most memorized facts on the real exam.
Fast 15-question session — perfect for a daily warm-up or quick review before bed.
Every question, random order, no timer. Best for deep study before your test date.
Key chapters from the official handbook — organized, summarized, and exam-focused. Read before your test!
In-depth guides for every part of the Illinois permit test and driver license process. Everything is free and based on the official Illinois Rules of the Road.
Everything important from the Illinois Rules of the Road — organized for the exam
Memorize these numbers first. Illinois test questions are frequently built around specific distances, speeds, BAC levels, and time periods. These come up constantly.
Road signs are tested heavily. Know each sign's shape, color, and meaning. The real test often shows a sign description and asks what it means.
| Shape | Meaning | Example |
|---|---|---|
| Octagon (8-sided) | STOP — always and only | Stop sign |
| Triangle (pointing down) | YIELD — give right of way | Yield sign |
| Diamond | WARNING — hazard ahead | Curve, pedestrian, deer |
| Pentagon (5-sided) | SCHOOL ZONE | School crossing |
| Pennant (triangle right) | NO PASSING ZONE | No-passing pennant |
| Round (circle) | RAILROAD CROSSING advance warning | RR crossing sign |
| Rectangle (vertical) | REGULATORY — rules you must follow | Speed limit, turn restrictions |
| Rectangle (horizontal) | GUIDE or INFORMATION | Street name, mile marker |
| X-shaped crossbuck | RAILROAD CROSSING — treat like yield | Railroad crossbuck |
| Color | Category | What It Means |
|---|---|---|
| Red | Regulatory — STOP / PROHIBIT | Stop, yield, do not enter, wrong way, no-turn circles |
| Yellow | WARNING | General hazard warnings — curves, hills, intersections, animals |
| Orange | WORK ZONE / CONSTRUCTION | Construction ahead, road crew, slow down and drive with care. Work-zone speeding fines are steep in Illinois (a first offense can reach $375), and hitting a worker carries far heavier penalties. |
| Green | GUIDE / DIRECTIONAL | Highway exits, distances, direction, mile markers |
| Blue | SERVICES | Gas, food, lodging, hospital, rest area |
| Brown | RECREATION / CULTURAL | Parks, campgrounds, historical sites, scenic areas |
| White | REGULATORY | Speed limits, lane rules, turn restrictions |
| Fluorescent Yellow-Green | WARNING — pedestrian / school / bike | School zones, crosswalks, bike lanes |
| Fluorescent Pink | INCIDENT MANAGEMENT | Crash clean-up, debris removal, temporary traffic control |
Right of way is the #1 failure topic on the DMV knowledge test. Master every scenario below — these questions will be on your exam.
| Signal | What You Must Do |
|---|---|
| Solid GREEN | Proceed — but yield to traffic already in intersection |
| Solid YELLOW | Prepare to stop if safe; proceed only if stopping would be dangerous |
| Solid RED | Stop completely; may turn right on red after stop and yield (unless posted) |
| GREEN ARROW | Protected turn — oncoming traffic must stop. You may turn in the arrow's direction, but still yield to vehicles and pedestrians already in the intersection. |
| YELLOW ARROW | Protected turn is ending — prepare to yield or stop |
| Flashing YELLOW ARROW | Unprotected turn — you MAY turn but MUST yield to oncoming and pedestrians |
| Flashing RED | Treat exactly like a STOP sign — stop, yield, proceed when safe |
| Flashing YELLOW | Caution — slow down and proceed carefully. Do not need to stop. |
| RED + GREEN ARROW | Stop for through traffic; turn in direction of arrow only |
| Signal NOT working | Treat as ALL-WAY STOP — all traffic stops |
DUI questions appear on virtually every DMV knowledge test. Know the BAC levels, implied consent law, and penalties. Illinois uses "DUI" (Driving Under the Influence).
| Situation | Consequence |
|---|---|
| BAC of 80%+ (driver 21+) | DUI — 1st conviction: Class A misdemeanor, fine up to $2,500, up to 1 year in jail, and a minimum 1-year license revocation. 2nd conviction: longer revocation and possible jail. 3rd+ is an aggravated DUI (felony) (Illinois Rules of the Road). |
| Impairment below the legal BAC limit | Yes — you can be charged with DUI even below .08% if alcohol, drugs, or medication impair your ability to drive safely (Illinois Rules of the Road). |
| Test refusal (implied consent) | You can lose your driver's license. Under implied consent, driving in Illinois means you have agreed to breath, blood, or urine testing. A 1st refusal is a 12-month suspension; a repeat refusal is 3 years (Illinois Rules of the Road). |
| BAC — under 21 (Zero Tolerance) | Zero Tolerance — any trace of alcohol under 21 is a 3-month suspension (1st offense) or 6 months for a test refusal. An actual under-21 DUI brings a 2-year revocation (Illinois Rules of the Road). |
| Minor purchasing or possessing alcohol (under 21) | A minor convicted of purchasing, possessing, or consuming alcohol can lose their driving privileges, even when no vehicle was involved (Illinois Rules of the Road). |
| DUI — causing death | DUI causing death is aggravated DUI — a felony that can carry several years in prison. DUI causing great bodily harm is also a felony (Illinois Rules of the Road). |
School bus rules are heavily tested. On any two-lane or undivided road, traffic in BOTH directions must stop at least 20 feet from a school bus with flashing red lights and an extended stop arm. The only exception: on a roadway of four or more lanes, oncoming traffic need not stop.
| Location | Minimum Clearance |
|---|---|
| Fire hydrant | 15 ft — do not park within 15 ft (Illinois Rules of the Road) |
| Stop sign / yield sign / flashing signal / traffic control device | 30 ft — do not park within 30 ft of these (Illinois Rules of the Road) |
| Pedestrian safety zone | 20 ft — do not park within 20 ft of a pedestrian safety zone (Illinois Rules of the Road) |
| Crosswalk at intersection | 20 ft — do not park within 20 ft of a crosswalk at an intersection (Illinois Rules of the Road) |
| Railroad crossing | 50 ft — do not park within 50 ft of a railroad crossing (Illinois Rules of the Road) |
| Fire station driveway | 20 ft on the same side of the street / 20 ft on the opposite side when posted (Illinois Rules of the Road) |
| Driveway entrance (public or private) | Not in front of — always prohibited |
| Accessible (handicapped) space | Never — also do not park on the diagonal access lines (Illinois Rules of the Road) |
| Inside an intersection or on a crosswalk | Never — always illegal |
| Handicapped space (without placard) | Never park here |
| Bridge, overpass, or tunnel | Never — always prohibited (Illinois Rules of the Road) |
| No Stopping zone | Never stop here, for any reason |
| No Parking zone | No parking — may stop to load/unload |
The rule: always turn wheels so that if the car rolls, it rolls away from traffic or is caught by the curb.
| Situation | Turn Wheels | Why |
|---|---|---|
| Facing DOWNHILL, WITH curb | RIGHT (into curb) | Car rolls into curb and stops |
| Facing DOWNHILL, NO curb | RIGHT (away from road) | Car rolls away from traffic |
| Facing UPHILL, WITH curb | LEFT (away from curb) | Car rolls back, caught by curb |
| Facing UPHILL, NO curb | RIGHT (away from road) | Car rolls away from traffic |
GDL questions appear on many tests. Know Illinois's Graduated Driver Licensing program, the restrictions in each phase, and the specific ages, hold periods, and curfew hours.
| Equipment | Requirement |
|---|---|
| Headlights (on) | Required from sunset to sunrise, whenever wipers are on, and when visibility is reduced. Use low beams in fog, rain, or snow. Parking lights alone are not legal substitutes while driving (Illinois Rules of the Road). |
| High beams (dim) | Dim within 500 ft of an oncoming vehicle and within 300 ft when following another vehicle. Use low beams in fog, heavy rain, or snow (Illinois Rules of the Road). |
| Horn | Use when needed to prevent a crash. Do NOT use to express anger, greet friends, or encourage others to move. Avoid around blind pedestrians and animal-drawn vehicles (Illinois Rules of the Road). |
| Turn signals | Signal continuously for at least the last 100 ft before turning in the city, and 200 ft outside city limits (Illinois Rules of the Road). |
| Tinted windows | Tint is prohibited on the front windshield; side and rear windows have legal limits. Tinting must never obstruct the driver's view (Illinois Rules of the Road). |
| TVs / video screens visible to driver | Prohibited while vehicle is in motion (navigation is excepted) |
| Muffler | Must prevent excessive or unusual noise |
| Brakes | Your vehicle must have a working foot brake and a separate parking brake, both capable of holding the vehicle (Illinois Rules of the Road). |
| Wipers | Must adequately clean the windshield when used |
| Tail lights / rear reflector | Two working red tail lights are required, visible from a safe distance to the rear, along with a white license-plate light. |
| Tires | Tires must have a minimum tread depth of 2/32 of an inch and be free of dangerous cuts or wear (Illinois Rules of the Road). |
| Hazard lights | For use when parked/stopped in an emergency — not while driving normally |
| Seat belts & child restraints | All occupants must wear safety belts (primary enforcement). Children under 8 require a child safety seat or booster; children under 2 must be rear-facing unless over 40 lb or 40 in. Fines start around $25–$75 (Illinois Rules of the Road). |
A proven 4-phase approach that builds real understanding — not just memorization. Work through each phase at your own pace, and you'll walk into the DMV ready to pass on your first try.
| Your Score | Status | What to Do Next |
|---|---|---|
| Under 75% | Needs more work | Go back to Phase 3 — run Weak Spots mode on your wrong answers. Re-read the Study Guide for those topics. Then try the simulator again. |
| 75% – 89% | Almost there | Run Weak Spots on what you missed, then take the simulator again. You're close — one more round should get you there. |
| 90%+ | Ready! 🎉 | Run the simulator one more time to confirm. Score 90%+ twice → you are ready for the real test. |
Before you walk into the Illinois Secretary of State office:
35 questions · need 80% (about 28 correct) · you can miss up to 7 and still pass
Illinois Rules of the Road · 2026 Edition · Illinois Secretary of State
Download Official Manual →Source: Illinois DMV · Free download
We've distilled the official manual into 12 focused study sections. Every number, rule, and fact verified against the handbook. Click any topic to start studying.
The Illinois DMV knowledge test has 35 questions and you need 80% (28 correct) to pass. Question counts can change, so confirm the current format with the Illinois Secretary of State at ilsos.gov before your visit.
DUI stands for Driving Under the Influence. The legal BAC limit is .08% for drivers 21 and older, and Illinois has Zero Tolerance — any trace of alcohol — for drivers under 21.
Illinois teaches the 3-second following rule: pick a fixed object the vehicle ahead passes, then count "one-thousand-one, one-thousand-two, one-thousand-three." If you reach the object first, you are following too closely. Add more seconds in rain, fog, snow, or at higher speeds (Illinois Rules of the Road).
You can apply for an Illinois instruction permit at age 15 with approved driver education. You must hold it at least 9 months and be at least 16 before advancing to a provisional license.
Yes, this practice site is completely free. Every question is verified against the Illinois Rules of the Road.
For any emergency, dial 911. Illinois expressways also have roadside call boxes, and the Illinois State Police respond to highway incidents statewide.
In Illinois, driver licensing is handled by the Secretary of State (commonly called the DMV), and the written exam is the Rules of the Road knowledge test. It is 35 multiple-choice questions covering traffic laws, road signs, and safe-driving practices, and you need 80% to pass. Illinois is strict on distracted driving: handheld phones are illegal for all drivers, drivers under 19 may not use any wireless device, and school-bus stop-arm violations carry a mandatory $300 fine plus a license suspension.
Illinois uses DUI (Driving Under the Influence). The BAC limit is .08% for drivers 21 and older, any trace (Zero Tolerance) for drivers under 21, and .04% for commercial drivers. A first conviction is a Class A misdemeanor — up to $2,500 in fines and a year in jail — with a minimum 1-year license revocation; penalties escalate sharply for repeat offenses, and a third DUI is an aggravated (felony) DUI. Every fact is verified against the Illinois Rules of the Road published by the Illinois Secretary of State.
Illinois uses a three-phase Graduated Driver Licensing (GDL) program. Teens can get an instruction permit at age 15 with approved driver education, and must drive with a licensed adult 21 or older in the front seat. The permit must be held at least 9 months with 50 hours of supervised practice (10 at night) before a provisional license is issued at 16. Provisional drivers face a night curfew (10 PM Sun–Thu, 11 PM Fri–Sat) and may carry only one passenger under 20 for the first year. Any traffic conviction can reset the clock and delay full licensing, which arrives at age 18.
This free practice test is verified against the Illinois Rules of the Road and is built for anyone testing at Secretary of State Driver Services facilities in Chicago, Aurora, Naperville, Joliet, Rockford, Springfield, Peoria, Elgin, Champaign, Bloomington, Waukegan, and Decatur, and every other Illinois location. The written test is included in the $20 instruction permit fee. Free practice here, no signup, no paywall.