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Radar Detectors Legal in Texas: Rules by Vehicle Type

Texas sources address windshield visibility and radar interference devices; federal law separately bars detectors in commercial motor vehicles.

The phrase radar detector legal in Texas raises two separate checks: what the state code says about equipment and whether the vehicle is commercial. Texas Transportation Code §547.613 addresses obstructing a driver’s clear view, while 49 CFR §392.71 prohibits radar detectors in commercial motor vehicles. For a passenger vehicle, check the current Texas statutes and mount any device without compromising visibility. Do not confuse a receive-only detector with a jammer or other interference device.

Radar Detectors Legal in Texas: Rules by Vehicle Type

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Common questions

Questions before you buy

Are radar detectors legal in Texas for passenger cars?

The cited Texas vehicle-equipment provisions do not prohibit ordinary radar detectors by name in passenger cars. Mounting must not obstruct or reduce clear view.

Why are radar detectors illegal in commercial vehicles?

Federal regulation 49 CFR §392.71 bars a driver from using a detector in a commercial motor vehicle or operating a vehicle that contains one.

Is a radar detector the same as a jammer?

No. A detector receives signals; a jammer or interference device is designed to disrupt speed-measuring equipment and is addressed separately under Texas law.

Can Texas police stop me for a windshield mount?

Texas law addresses objects that obstruct or reduce clear view. Keep the device out of the driver’s sightline and consult the current statute for its scope.