Trafficmaster Plc

David Kenneth Martell

Jeffrey Solomon

A route guidance system for vehicles comprises central computing apparatus (), transmitting apparatus () by way of which the central computing apparatus () is informed of the positions of respective vehicles on a road network and by way of which the vehicles are supplied with route guidance data calculated by the central computing apparatus as to the best routes for the respective vehicles to take to respective desired destinations, the transmitting apparatus () including transmitting devices () for carrying by the respective vehicles and by way of which the central computing apparatus () is informed as to the desired destinations, computing apparatus () serving to inform the central computing apparatus () as to traffic congestion on the network, and speech synthesisers () for carrying by the respective vehicles and arranged to speak instructions to the drivers of respective vehicles as to the routes to be taken to their respective desired destinations.

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Shillington, United Kingdom

David Kenneth Martell