English version

radar trap in Police topic

From Longman Dictionary of Contemporary Englishradar trapˈradar trap noun [countable]  TTCSCPa place on a road where police wait with radar equipment in order to catch drivers who are going too fast syn speed trap
Examples from the Corpus
radar trapI was pinched for dangerous driving last month, in a radar trap.And the beam can't be spotted by drivers who use radar trap detectors.