{
  "$type": "site.standard.document",
  "description": "Basic congestion information is acquired from a VICS center 5; first route search processing searching for a route to a destination based on the acquired basic congestion information is executed; it is judged based on a first travel route determined by the first route search processing whether…",
  "path": "/patents/1005322",
  "publishedAt": "2012-02-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3492",
    "AISIN AW CO [JP]"
  ],
  "textContent": "Basic congestion information is acquired from a VICS center 5; first route search processing searching for a route to a destination based on the acquired basic congestion information is executed; it is judged based on a first travel route determined by the first route search processing whether center traffic information is necessary to be acquired from a probe center 4; if it is judged that the center traffic information is not necessary to be acquired, the first travel route is set as a guidance route; if it is judged that the center traffic information is necessary to be acquired, additional congestion information is acquired from the probe center 4 as the center traffic information, second route search processing that searches for a route based on the acquired additional congestion information is executed; and a second travel route determined by the second route search processing is set as the guidance route.",
  "title": "Route search device, route search method, and correponding computer programm"
}