Sec. 1. No person or owner of livestock shall allow livestock to run at large in the State of Illinois. All owners of livestock shall provide the necessary restraints to prevent such livestock from so running at large and shall be liable in civil action for all damages occasioned by such animals running at large; Provided, that no owner or keeper of such animals shall be liable for damages in any civil suit for injury to the person or property of another caused by the running at large thereof, without the knowledge of such owner or keeper, when such owner or keeper can establish that he used reasonable care in restraining such animals from so running at large.
Illinois Compiled Statute
510 ILCS 55/1
Offense Description
Animals at large on public highways
Offense Classification
Petty Offense
Statutory Penalties & Sentencing Scope
No incarceration authorized · Fine up to $1,000
Supreme Court Rule 551 Mandatory Court Appearance
Personal appearance is not mandatory under Rule 551 by default. The citation may be satisfied by written appearance, pre-set administrative payment, or mail-in notice unless aggravated circumstances apply.
Presumptive Pretrial Release: This offense is non-detainable under 725 ILCS 5/110-6.1. The defendant is entitled to release on personal recognizance with non-monetary conditions unless charged with a subsequent detainable violation.
Secretary of State Driver's License Action
Standard Administrative Protocol: No automatic driver's license suspension or mandatory revocation is triggered by this offense code alone upon citation.
Under Illinois law, 510 ILCS 55/1 (Animals at large on public highways) is classified as a Petty Offense. Statutory sentencing scope: No incarceration authorized · Fine up to $1,000. Court appearance is not mandatory (pre-set bond or notice to appear), and pretrial release is presumptively release-eligible under the SAFE-T Act.
Offense Class & Sentencing ScopePetty Offense
No incarceration authorized · Fine up to $1,000
Court Appearance MandateRelease on Notice (No Mandate)
Personal appearance is not mandatory under Rule 551 by default. The citation may be satisfied by written appearance, pre-set administrative payment, or mail-in notice unless aggravated circumstances apply.
Presumptive Pretrial Release: This offense is non-detainable under 725 ILCS 5/110-6.1. The defendant is entitled to release on personal recognizance with non-monetary conditions unless charged with a subsequent detainable violation.
Secretary of State License SanctionStandard Administrative Protocol
No automatic driver's license suspension or mandatory revocation is triggered by this offense code alone upon citation.
Sec. 1. No person or owner of livestock shall allow livestock to run at large in the State of Illinois. All owners of livestock shall provide the necessary restraints to prevent such livestock from so running at large and shall be liable in civil action for all damages occasioned by such animals running at large; Provided, that no owner or keeper of such animals shall be liable for damages in any civil suit for injury to the person or property of another caused by the running at large thereof, without the knowledge of such owner or keeper, when such owner or keeper can establish that he used reasonable care in restraining such animals from so running at large.
(Source: P.A. 84-28.)
Frequently Asked Questions & Legal Analysis
Authoritative Statutory Guidance
What is the statutory penalty and sentencing range for 510 ILCS 55/1 in Illinois?
Under Illinois law, 510 ILCS 55/1 (Animals at large on public highways) is classified as a Petty Offense.
Sentencing Scope: No incarceration authorized · Fine up to $1,000
Is a court appearance mandatory for 510 ILCS 55/1 under Illinois Supreme Court Rule 551?
No Mandatory Court Appearance (Pre-Set Bond / Notice to Appear): Personal appearance is not mandatory under Rule 551 by default. The citation may be satisfied by written appearance, pre-set administrative payment, or mail-in notice unless aggravated circumstances apply.
Is an individual accused of 510 ILCS 55/1 detainable before trial under the SAFE-T Act?
Presumptive Pretrial Release: Presumptive Pretrial Release: This offense is non-detainable under 725 ILCS 5/110-6.1. The defendant is entitled to release on personal recognizance with non-monetary conditions unless charged with a subsequent detainable violation.
What Secretary of State driver's license sanctions apply to 510 ILCS 55/1?
Standard Administrative Protocol: No automatic driver's license suspension or mandatory revocation is triggered by this offense code alone upon citation.
Official Legal Citation Formats
Legal & Academic Reference
Standardized legal citations for briefs, court pleadings, law enforcement documentation, and academic research.
Illinois Supreme Court Citation510 ILCS 55/1 (West 2026)
The Bluebook Style (21st ed.)510 Ill. Comp. Stat. 55/1 (2026)
Canonical Web Referencehttps://ilcsindex.com/statutes/510-ilcs-55-1