A Class P petty offense in Illinois is the lowest tier of law violation in the state, punishable only by a fine of up to $1,000 and never by jail time.1FindLaw. Illinois Code 730 ILCS 5/5-1-17 – Petty Offense The label shows up on traffic citations, municipal tickets, and electronic court records to flag that a case sits below the misdemeanor line.2Illinois Courts. eFileIL Public-Facing Configuration Codes The fine is only part of the picture, though. Court costs usually dwarf the base penalty, and for a traffic citation the choice between supervision and a conviction will matter more to your life than the dollar amount.
What Class P Actually Means
Illinois defines a petty offense as any violation for which imprisonment is not an authorized sentence.1FindLaw. Illinois Code 730 ILCS 5/5-1-17 – Petty Offense A judge cannot send you to jail on a Class P matter. Because no liberty is at stake, you also have no right to a court-appointed lawyer if you cannot afford one. You can still hire your own attorney, and for citations with heavy court costs or driving-record fallout, that is sometimes worth doing.
“No jail” does not mean “fine only.” The sentencing statute allows a judge to impose probation or conditional discharge for up to six months on a petty offense, which can carry conditions like a traffic safety course or community service.3Illinois General Assembly. Illinois Code 730 ILCS 5/5-4.5-75 – Petty Offenses Sentence The court can also order restitution if the violation caused someone a financial loss.
How Much a Class P Offense Costs
Unless a specific statute sets a different amount, the minimum fine for a petty offense is $75 and the maximum is $1,000.3Illinois General Assembly. Illinois Code 730 ILCS 5/5-4.5-75 – Petty Offenses Sentence When an offense specifies its own fine, the cap is whichever is lower: $1,000 or the offense-specific figure. A seatbelt ticket, for instance, maxes out at $25, so the $1,000 ceiling never applies.4Illinois General Assembly. Illinois Code 625 ILCS 5/12-603.1 – Seat Safety Belts If a fine would impose an undue burden on the victim of the offense, the court has discretion to reduce or waive it.
What the citation says and what the clerk collects are rarely the same number. Illinois adds mandatory court costs and surcharges under the Criminal and Traffic Assessment Act to fund court automation, document storage, and clerk operations. In practice, court costs on a standard petty traffic ticket run roughly $225 to $255 depending on the county. A $120 speeding fine can turn into a $350-plus total obligation by the time everything is added in.
If you cannot pay all at once, ask the court about an installment plan. Illinois judges have discretion to structure payments and are required to consider ability to pay before imposing financial penalties. A court cannot jail you for being too poor to pay a fine.
Common Class P Violations
Traffic citations account for most Class P cases. The usual examples:
- Speeding 1 to 25 mph over the limit, which covers the bulk of speed tickets written in Illinois.5Illinois State Police. Speed Limit Enforcement
- Seatbelt violations by drivers and passengers, carrying a maximum $25 fine.4Illinois General Assembly. Illinois Code 625 ILCS 5/12-603.1 – Seat Safety Belts
- Possession of cigarettes, cigars, or smokeless tobacco by a person under 18, with penalties starting at a $25 fine or 15 hours of community service for a first violation and climbing for repeat offenses within 12 months.6Justia Law. Illinois Code 720 ILCS 675 – Sale of Tobacco to Minors Act
- Municipal ordinance violations, including many local nuisance, noise, and zoning infractions processed through the same framework.
Supervision vs. Conviction: The Decision That Matters Most
On a Class P traffic case, the single biggest question is whether the judge grants court supervision or enters a conviction. The dollar difference may be small. The record difference is not.
Court supervision is a deferred judgment. Rather than finding you guilty, the judge sets a supervision period, imposes conditions such as paying the fine or completing a traffic safety course, and puts the case on hold. Satisfy every condition before the period ends and the charge is dismissed with no conviction entered.7Illinois General Assembly. Illinois Code 730 ILCS 5/5-6-1 – Supervision The supervision period for a petty offense can last up to two years, though straightforward tickets often get a few months.3Illinois General Assembly. Illinois Code 730 ILCS 5/5-4.5-75 – Petty Offenses Sentence
A conviction is a permanent finding of guilt. For traffic-related petty offenses, convictions are reported to the Secretary of State and recorded on your driving abstract. Supervision dispositions appear only on a restricted court-purpose version of your record, not the public abstract that employers and insurance companies can pull.8Illinois Secretary of State. Driving Record Abstract FAQ Supervision is not unlimited, though. Drivers under 21 face additional requirements for certain serious traffic offenses, including a court-approved traffic safety program, and are generally limited in how often they can receive supervision for moving violations.7Illinois General Assembly. Illinois Code 730 ILCS 5/5-6-1 – Supervision
How a Conviction Hits Your Driving Record
Illinois tracks traffic convictions by severity. Three or more moving-violation convictions within a 12-month period expose your license to suspension or revocation. For drivers under 21, the threshold drops to two convictions within 24 months.9Illinois Secretary of State. Illinois Traffic Offenses
Illinois also participates in the Driver License Compact. If you hold an Illinois license and get convicted of a moving violation in another member state, that conviction is reported back and treated as if it happened here. Parking tickets and most equipment-related infractions are excluded. Court supervision in Illinois, because it is not a conviction, has nothing to report across state lines. A conviction travels with you.
What Happens If You Ignore the Citation
Skipping court or just not paying does not make a Class P case go away. As of 2025, Illinois courts no longer automatically issue a failure-to-appear order or suspend your license after a single missed date. The clerk’s office sends reminders by mail, text, email, or phone instead. Keep ignoring the case, though, and the judge can enter a conviction in your absence, which can then trigger a license suspension through the Secretary of State.10Illinois Legal Aid Online. Handling a License Suspension for Failure to Appear in Court
Illinois also no longer suspends licenses just because you owe money on a ticket. Under the License to Work Act, unpaid fines and fees alone cannot cost you your driving privileges. Failing to appear remains a separate problem, and it still can.
If You Hold a CDL, the Stakes Are Higher
A petty traffic offense that is a minor annoyance for most drivers can threaten a commercial driver’s career. Federal regulations count speeding 15 mph or more above the limit as a “serious traffic violation” for CDL purposes.11eCFR. 49 CFR 383.51 – Disqualification of Drivers A ticket for 80 in a 65 zone, a routine Class P matter for an ordinary driver, becomes a step toward CDL disqualification if a second serious violation lands within three years. Improper lane changes and following too closely sit on the same federal list. For CDL holders, pushing for court supervision rather than accepting a conviction is almost always the right fight, because the conviction is what triggers federal reporting.