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Sources Used to Compile Traffic Data
Garmin incorporates an extensive, anonymous data collection system that analyzes traffic flow data collected from more than two billion observation points every month.
Sources Include:
- Data from millions of Garmin device owners
- Data from millions of cellular phone owners
- Incident reports
- Radio feeds of live information
- News stations
- Historical traffic data from HERETM Traffic Supply
- Historical traffic data from Garmin device owners
- Fixed traffic sensors on major roads giving extremely accurate traffic reports
For more information, see the Traffic Service Differences for North American Automotive Devices.