Method and apparatus for effecting a wireless exchange of data b

Method and apparatus for monitoring electrical devices

Method and apparatus for monitoring highway traffic

Method and apparatus for operating a vehicle barricade

Method and apparatus for secure traffic light interruption

Method and arrangement for controlling a system of multiple...

Method and device for managing road traffic using a video...

Method and means for RF toll collection

Method and system for avoiding a collision at an intersection an

Method and system for controlling and adjusting traffic...

Method and system for monitoring the proper operation of a...

Method and system for regulating switching of a traffic light

Method and system for two-way packet radio-based electronic toll

Method for adjusting a threshold value of a vehicle-mounted devi

Method for determining the position of a vehicle on a road

Method for outputting traffic information in a motor vehicle

Method for predicting traffic space mean speed and traffic flow

Method for the provision of malfunction protection for lights in

Method of determining toll charges for vehicles using a traffic

Method of indicating time remaining until traffic lights change