States where Radar Detectors are Illegal

Last updated May 24, 2025

Radar Detector Legality
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Radar Detector LegalityQuestion Mark
AlabamaAlabamaLegal
AlaskaAlaskaLegal
ArizonaArizonaLegal
ArkansasArkansasLegal
CaliforniaCaliforniaLegal
ColoradoColoradoLegal
ConnecticutConnecticutLegal
DelawareDelawareLegal
FloridaFloridaLegal
GeorgiaGeorgiaLegal
HawaiiHawaiiLegal
IdahoIdahoLegal
IllinoisIllinoisLegal
IndianaIndianaLegal
IowaIowaLegal
KansasKansasLegal
KentuckyKentuckyLegal
LouisianaLouisianaLegal
MaineMaineLegal
MarylandMarylandLegal
MassachusettsMassachusettsLegal
MichiganMichiganLegal
MinnesotaMinnesotaLegal
MississippiMississippiIllegal
MissouriMissouriLegal
MontanaMontanaLegal
NebraskaNebraskaLegal
NevadaNevadaLegal
New HampshireNew HampshireLegal
New JerseyNew JerseyLegal
New MexicoNew MexicoLegal
New YorkNew YorkLegal
North CarolinaNorth CarolinaLegal
North DakotaNorth DakotaLegal
OhioOhioLegal
OklahomaOklahomaLegal
OregonOregonLegal
PennsylvaniaPennsylvaniaLegal
Rhode IslandRhode IslandLegal
South CarolinaSouth CarolinaLegal
South DakotaSouth DakotaLegal
TennesseeTennesseeLegal
TexasTexasLegal
UtahUtahLegal
VermontVermontLegal
VirginiaVirginiaIllegal
WashingtonWashingtonLegal
West VirginiaWest VirginiaLegal
WisconsinWisconsinLegal
WyomingWyomingLegal

Radar Detectors - A Tale of Two Sides

For those with a heavier foot on the gas pedal, radar detectors have proven to be effective tools. Acting as an early warning system against speed detection implementations, these devices can alert a driver to the imminent presence of such checks within a certain vicinity. But, are radar detectors legal? The answer depends, and mainly lies within the jurisdiction of each state in the Unites States. Key findings:

  • A broad majority of the states featured in the dataset allow the use of radar detectors, with an overwhelming 48 states having deemed them legal.
  • Interestingly, radar detectors have only two adversaries nationwide: Virginia and Mississippi. These states stand alone in their decision to prohibit radar detectors.
  • Across the board, radar detector usage seems to be a widely accepted practice. While you might think that heavier populated states or those with dense city centers would have different laws, this is not the case. From New York to California, radar detectors are legal.
  • On a more detailed note, states such as California, Florida, New Jersey, and Pennsylvania permit radar detectors but have laws that ban their mounting on windshields due to potential driver distraction and obstruction of view.
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