(Corrects paragraph 3 to say Fleetmatics is an Inrix client,not a rival. The story was earlier corrected to say Inrix'smobile application is called Inrix Traffic and not Traffic.)

Oct 9 (Reuters) - Inrix Inc, which provides road trafficdata, is working with Goldman Sachs Group Inc andJPMorgan Chase & Co to help it file for an initialpublic offering likely next year, the Wall Street Journalreported.