Is a Radar Detector Legal in Colorado? What State Law Says

Colorado Revised Statutes § 42-4-1415 specifically prohibits radar jamming devices and defines them by their intended interference with law-enforcement radar or laser speed measurement. The cited provision addresses jammers; check the current law and any rules that apply to your particular vehicle before relying on a general summary.

Yes. Section 42-4-1415 prohibits using, possessing or selling a radar jamming device and operating a motor vehicle with one in it. The statute also describes the devices covered by that term.

A detector receives radar signals and alerts a driver; a jammer is designed or intended to interfere with, disrupt or scramble enforcement radar or laser measurement. Colorado’s cited prohibition is directed at jamming devices, as defined in the statute.

The statutory definition includes equipment intended to interfere with radar or laser used by law enforcement to measure vehicle speed. Review § 42-4-1415 for the full definition and current application.