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System and method for disseminating traffic information

  • US 6,587,780 B2
  • Filed: 04/09/2001
  • Issued: 07/01/2003
  • Est. Priority Date: 04/09/2001
  • Status: Expired due to Term
First Claim
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1. A method for disseminating traffic information to users, comprising the steps of:

  • maintaining at least one database comprising;

    a plurality of trip description structures;

    information regarding conditions of travel associated with at least one of the trip description structures in view of current information;

    respective trip data corresponding to at least one trip for each of a plurality of users, the trip data being communicated by the plurality of users and including, for each user;

    at least one geographic identification, at least one critical time selected from the group consisting of a start time for the at least one trip, an arrival time for the at least one trip, a desired start time for the at least one trip, and a day of the week when the at least one trip is to be undertaken, and at least one communication specification selected by that user, processing the trip data, at a predetermined time relative to the critical time and responsive to the conditions of travel, to identify at least one situation relating to the trip data; and

    contacting at least one user at a second time relative to the critical time, responsive to the situation and in accordance with the communication specification.

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