Proprietary study measures the accuracy of real-time traffic information.

KIRKLAND, Wash. – March 5, 2007 –INRIX, the leading provider of traffic information nationwide, today announced it engaged J.D. Power and Associates, the leading marketing information services firm, to complete a proprietary market study. The independent study analyzes the quality and market coverage of real-time traffic information in the U.S. through ground-truth testing in various markets.

 INRIX President and CEO Bryan Mistele said, “We selected J.D. Power and Associates to conduct this real-time traffic study as a result of prospective customers from the automotive OEM, mobile navigation, and other markets requesting that we work with an internationally recognized firm that could provide independent, credible and clear feedback.”

Results from the proprietary study are expected to be available from INRIX later this month.

 About INRIX

INRIX is the leading provider of accurate real-time, historical and predictive traffic information nationwide, providing industry partners and customers with the highest quality data and broadest coverage available for personal navigation, mapping, and other location-based service applications in the car, online and on mobile devices.

INRIX Traffic Services leverage sophisticated statistical analysis techniques, originally developed by Microsoft Research, to aggregate and enhance traffic-related information from hundreds of public and private sources, going well beyond the limitations of static road sensor networks, historical-based models and cellular data aggregators, to offer customers the most sophisticated understanding of the unique system-wide traffic patterns in each metropolitan area. Additionally, INRIX offers real-time incident data for 130 markets across the U.S. To experience the traffic technology revolution behind the next generation of navigation and location-based service applications, visit www.inrix.com.

 About J.D. Power and Associates

Headquartered in Westlake Village, Calif., J.D. Power and Associates is an ISO 9001-registered global marketing information services firm operating in key business sectors including market research, forecasting, consulting, training and customer satisfaction.  The firm’s quality and satisfaction measurements are based on responses from millions of consumers annually.  J.D. Power and Associates is a business unit of The McGraw-Hill Companies.