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District of Columbia Radar Detectors Laws (2026)
Restricted: Radar detectors are banned in the District of Columbia — it is illegal to use one or even have one in a vehicle, and illegal to sell them (DCMR 18-736).
RestrictedVerified Jun 18, 2026
Vehicle rules change at the state line.Track them in the free LawLert iPhone app and get an alert when you cross into a state where they differ. No account.Get the appRadar detectors are banned in the District of Columbia — it is illegal to use one or even have one in a vehicle, and illegal to sell them (DCMR 18-736).
Official source: dcregs.dc.gov →
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