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Method of generating expected average speeds of travel

  • US 9,620,007 B2
  • Filed: 02/02/2012
  • Issued: 04/11/2017
  • Est. Priority Date: 02/03/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method of generating and outputting an expected average speed of travel across a segment of a plurality of segments of an electronic map, the electronic map being representative of a network in an area covered by the electronic map, wherein each of the plurality of segments of the electronic map represent a navigable segment of the network, and wherein each of the plurality of segments of the electronic map have associated therewith:

  • an expected average speed of travel across the segment determined using historic travel data;

    at least one jam probability indicative of the likelihood of a jam on the segment determined using at least historic travel data; and

    a jam speed, the jam speed being indicative of a speed along the segment when the segment is considered jammed, the method comprising;

    using, by at least one processor of a server, at least a stored jam probability for a segment of the electronic map to predict whether a jam condition exists on a corresponding navigable segment of the network;

    outputting, to at least one computing device, the expected average speed of travel across the segment of the electronic map as;

    a) a first speed when a jam condition is predicted to exist, the first speed being the stored jam speed for the segment of the electronic map, or a speed based thereon; and

    b) a second speed when a jam condition is not predicted to exist, the second speed being the stored average speed of travel for the segment of the electronic map, or a speed based thereon.

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