Why do I sometimes find map errors in TomTom products?
It is estimated that 10-15% of the road network changes every year. There is also inevitably some human error/subjectivity in the creation of a digital map. All of which means that maps must be constantly maintained to keep the level of map errors as low as possible. Tele Atlas has extensive survey teams constantly surveying new roads, changed roads, POI positioning and accuracy, map errors, etc. Each change and fix is then checked before being built into the next map release. TomTom predominantly uses Tele Atlas maps, then compiles the map vendor release (i.e. compresses it into a TomTom proprietary and specific format) and has it error-checked by TomTom’s own Quality Assurance team. This complex and labor-intensive process can mean it is several months before a map vendor’s new release is ready and fit for use in a TomTom product. TomTom publishes four new map releases for customers per year, and by only using the latest available map releases from map vendors, TomTom ensures its cus
