the enforcement of road trafc rules by means of equipment that records offences without requiring the presence of police of?cers at the scene, such as speed cameras or radar detectors
Edited by Margie Peden (et al.), World Report On Road Traffic Injury Prevention (Glossary), World Health Organization, Geneva 2004. http://whqlibdoc.who.int/publications/2004/9241562 609.pdf, (LndTransp/ Road Trfc Injury Prev - Brit) {526}