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Traffic control system utilizing cellular telephone system

  • US 5,745,865 A
  • Filed: 12/29/1995
  • Issued: 04/28/1998
  • Est. Priority Date: 12/29/1995
  • Status: Expired due to Term
First Claim
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1. A traffic control system for a geographical area, comprising:

  • at least one computer that controls traffic lights in the area; and

    a cellular communication system including a plurality of base stations covering the area, a plurality of subscriber units capable of establishing RF links with the plurality of base stations, and at least one processor that processes signals transmitted by the subscriber units to determine the locations of the subscriber units, whereby the location of a vehicle carrying a subscriber unit can be determined;

    the locations being sent by the cellular communication system to the at least one computer, wherein the locations can be processed to control the traffic lights.

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