are radar detectors legal in pa
United States Radar Detector Laws. Radar detectors are completely legal to use in non-commercial vehicles. Virginia and Washington DC are the only 2 areas in the United States that currently have a ban on the use of radar detectors. There is also a federal law banning the use of radar detectors in any commercial vehicle over 10,000 pounds. Radar detectors are also illegal on any military base. Currently there are no US federal laws prohibiting the use of laser jammer's but some states have passed their own laws against jamming police laser guns.