A method, system, and computer program product for detecting a tailgate event between two vehicles moving in a forward motion is provided. The two vehicles include a first and second vehicle, one of the two vehicles being an offending vehicle and the other of the two vehicles being an affected vehicle....http://www.google.de/patents/US7486176?utm_source=gb-gplus-sharePatent US7486176 - Method, system, and computer program product for determining and reporting tailgating incidents
