← Tennessee driving laws›Radar Detectors
Tennessee Radar Detectors Laws (2026)
Permitted: Radar detectors are legal in passenger vehicles — no Tennessee statute prohibits them.
PermittedVerified Aug 3, 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 legal in passenger vehicles — no Tennessee statute prohibits them. They are banned in commercial motor vehicles under federal rule 49 CFR 392.71.
General legal information, not legal advice — verify important decisions with a licensed attorney.
Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free appTrack this law — get alerted when it changes
We watch the official sources behind Tennessee vehicle rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.