Press Release

NAVTEQ Releases Traffic Patterns North America v.4.0

18 November 2008

Chicago-November 18, 2008- NAVTEQ has upgraded its Traffic Patterns North America, its historic vehicle traffic database, to version 4.0, describing it as a significant update with improved travel time accuracy.

Traffic Patterns includes typical traffic speeds on nearly 1 million miles of primary and secondary roads across the United States, Puerto Rico, and Canada. Version 4.0 improves travel time accuracy 41 percent on average when compared with typical speeds and posted speed limits on freeways and surface roadways, according to the company. This reportedly enables navigation software to achieve more accurate route planning and improved trip time estimates based on likely traffic conditions.

NAVTEQ created and maintains Traffic Patterns by using multiple years' observations from GPS probe and sensor data, which is aggregated, verified, and then matched to traffic location codes in the NAVTEQ Map database. It is built from nearly 12 billion data points, with more than half coming from processed GPS probe points, according to the company. Traffic Patterns v4.0 also includes:

 

• highway-to-highway ramp coverage for six of the United States' top 11 designated market areas, which include New York, Los Angeles, San Francisco, Dallas, Atlanta, and Detroit
• holiday traffic appendices featuring recommended routing strategies for national holidays in the United States and Canada
• expanded coverage on high-volume surface roads including interconnecting highways, which provides more alternate routing options
• additional probe sources for existing roads (contributing to more than five and a half billion processed GPS probe points)

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