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Is a Radar Detector Illegal in Texas? Key Exceptions

Ordinary passenger-car detectors are not prohibited by name in the cited Texas equipment provisions. Commercial motor vehicles face a federal restriction, and windshield placement must preserve visibility.

When asking whether a radar detector is illegal in Texas, first identify the vehicle class. The cited Texas vehicle-equipment statutes do not ban ordinary receive-only detectors by name for passenger cars, but §547.613 addresses objects that obstruct or reduce clear view. Federal regulation separately prohibits radar detectors in commercial motor vehicles. A jammer is a different kind of device and is addressed under Texas law as a radar interference device.

Is a Radar Detector Illegal in Texas? Key Exceptions

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Questions before you buy

Are radar detectors illegal in Texas for regular cars?

The cited Texas equipment provisions do not prohibit ordinary radar detectors by name for passenger cars. Keep any mount from obstructing the driver’s view.

Are radar detectors illegal in Texas for truckers?

Federal regulation 49 CFR §392.71 prohibits use or possession in a commercial motor vehicle, including operating one that contains a detector.

Is a radar jammer illegal in Texas?

Texas Transportation Code §547.616 prohibits radar interference devices in motor vehicles. A jammer is distinct from a receive-only radar detector.

Can windshield placement make a detector illegal?

Texas Transportation Code §547.613 addresses objects that obstruct or reduce clear view. Review the current text and position the unit to preserve visibility.