Traffic congestion monitoring system
First Claim
1. A vehicle carrying receiving means arranged to receive information as to traffic congestion at a location as represented by traffic units average speed at said location and to receive messages, unrelated to traffic congestion, for a person at said vehicle, and visual display means connected to said receiving means and serving to display that information indicative of traffic units average speed at said location and said messages, said visual display means serving to display a vehicular route diagram and said information indicative of said average speed being displayed in the region of a position on said diagram corresponding to said location.
1 Assignment
0 Petitions
Accused Products
Abstract
A traffic congestion monitoring system comprises infra-red monitoring units bolted to the sides of bridges over a motorway network and emitting information as to traffic congestion at their locations, a control center which receives and transmits the information, and paging units in respective vehicles and receiving the information and visually displaying the same upon diagrams of the network or zones thereof.
-
Citations
18 Claims
- 1. A vehicle carrying receiving means arranged to receive information as to traffic congestion at a location as represented by traffic units average speed at said location and to receive messages, unrelated to traffic congestion, for a person at said vehicle, and visual display means connected to said receiving means and serving to display that information indicative of traffic units average speed at said location and said messages, said visual display means serving to display a vehicular route diagram and said information indicative of said average speed being displayed in the region of a position on said diagram corresponding to said location.
- 3. A traffic congestion monitoring system, comprising detecting means disposed at a location and serving to detect stationary or slow-moving traffic units at said location, transmitting means communicating with said detecting means to receive from said detecting means signals representing information as to congestion at said location as represented by traffic units average speed at said location and arranged to transmit signals representing said information, and receiving means carried by traffic units and arranged to receive the transmitted signals and to receive messages, unrelated to traffic congestion, for persons at said traffic units, said receiving means including visual display means arranged to present visually, at the traffic units carrying said receiving means, information indicative of said average speed and said messages, said visual display means serving to display a vehicular route diagram, and said information indicative of said average speed being displayed in the region of a position on said diagram corresponding to said location.
Specification