Patent Number: 8,797,181

Title: Control devices and methods for a road toll system

Abstract: Control devices and methods for a road toll system that is based on on-board units carried by vehicles, comprising: in a marking vehicle detecting a traffic or toll violation of an on-board unit, and, if a violation exists, transmitting a marker to the on-board unit via a DSRC radio interface; in an on-board unit periodically determining, upon receipt of a marker, the position of the unit and broadcasting a position message containing the respective current position; and in the control unit: detecting the vehicle based on at least one of the position messages that are broadcast by the on-board unit.

Inventors: Leopold; Alexander (Vienna, AT), Nagy; Oliver (Vienna, AT)

Assignee: Kapsch TrafficCom AG

International Classification: G08G 1/00 (20060101)

Expiration Date: 8/05/12018