×

Method of developing traffic messages

  • US 7,657,367 B1
  • Filed: 11/16/2006
  • Issued: 02/02/2010
  • Est. Priority Date: 11/16/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of developing traffic messages comprising:

  • obtaining traffic data indicating collected traffic speeds at various locations on a road network, each of said locations represented by a unique traffic location code;

    developing a plurality of traffic messages from the traffic data;

    obtaining ground truth data indicating ground truth speeds at a subset of said locations on said road network, wherein said ground truth speed representing average speed of vehicles at one of said locations;

    for said locations for which ground truth speed has been obtained, computing a traffic quality value comparing said collected traffic speed to said ground truth speed for said location; and

    transmitting said traffic messages and traffic quality data representative of said traffic quality values.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×