Integration of traffic data with navigation systems
Integration of traffic data with navigation systems enables navigation systems to use traffic and other related data to optimise routing and travel times by taking into account traffic conditions and other disruptions to traffic flows. The integration may occur in a number of ways.
According to Consumer Reports, the data may be transmitted through Bluetooth, FM, or XM.[1]
In 2006, Clear Channel made a deal with BMW to supply traffic data for the carmaker's navigation units.[2]
According to GPS Review, the suppliers of traffic data to the navigation units get their own data from "road sensors, local departments of transportation, data collected from operators of large fleets of vehicles, and other manual sources such as traffic helicopters and listening to police scanners."
Patents have also been taken out for services that will collect movement data from GPS devices on the road to determine current travel time between various points; for example, patent number 5933100.[3]
References
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