Illinois Radar Detectors Laws (2026)

Permitted: Radar detectors are legal in passenger vehicles — Illinois has no state ban on them.

PermittedVerified Jun 18, 2026

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Official source: ilga.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Radar Detectors in states bordering Illinois

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IndianaPermitted
Radar detectors are legal in passenger vehicles — Indiana has no state ban on them.
Verified Jun 18, 2026 · Source: iga.in.gov · Full Indiana rule →
IowaPermitted
Radar detectors are legal in passenger vehicles — Iowa has no state ban on them.
Verified Jun 18, 2026 · Source: legis.iowa.gov · Full Iowa rule →
KentuckyPermitted
Radar detectors are legal in passenger vehicles — Kentucky has no state ban on them.
Verified Jun 18, 2026 · Source: apps.legislature.ky.gov · Full Kentucky rule →
MissouriPermitted
Radar detectors are legal in passenger vehicles — Missouri has no state ban on them.
Verified Jun 18, 2026 · Source: revisor.mo.gov · Full Missouri rule →
WisconsinPermitted
Radar detectors are legal in passenger vehicles — Wisconsin has no state ban on them.
Verified Jun 18, 2026 · Source: docs.legis.wisconsin.gov · Full Wisconsin rule →

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