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TomTom Start2 GPS satellite navigation unit

Sat Nav Live Traffic Data – How Does It Work?

February 2, 2011August 4, 2016 Roland 4 Comments Garmin, GPS, HD Traffic, Highways Agency, INRIX, live traffic, Navigon, sat nav, satellite navigation, TomTom, traffic data

How do sat navs live traffic data services work? Where does the live traffic information come from? How does it get turned into routes? We explain it all in the SimpleMotoring.co.uk guide to live traffic sat navs.