NAVTEQ

http://www.navteq.com/

Navteq's underlying map database is based on first-hand observation of geographic features rather than relying on official government maps.

It provides data used in a wide range of applications, including automotive navigation systems for many car makers, accounting for around 85% of market share.

Portable GPS devices made by Garmin, Magellan, Lowrance, NDrive and web-based applications, such as Yahoo! Maps, Bing Maps, and MapQuest also use its maps.^[3] Microsoft's Flight Simulator X uses Navteq data for automatic terrain generation.

Nokia Ovi Maps also use its maps in smartphones. Ovi Maps provides offline maps, eliminating the need for a constant internet data feed.

Navteq also provides graphics systems, information services and personnel for TV and radio broadcasting (Navteq Media Services). Most of the clients utilize Navteq for providing broadcast traffic reports in major metro areas througout North America.

Demo Video:

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There you have it, an accurate map database that will help you through your travels. So if your family is having a roadtrip, this the webapp for you! Enable 3G function, open the app and you are good to go!