by nabi » Fri Jan 04, 2013 4:20 pm
No, what I mean is that an existing road may appear but on a newer map, or sometimes even disappear on newer maps. Map faults do occur.
The same with one way streets. The map maker gets its info on hundreds of places and don't check every road locally.
Same with paved or unpaved. You may drive on a paved road, but when the map knows that road as unpaved, when you choose only to use paved ones, it will not take it. Period. I know some paved (in reality) roads that are (at least were then) unpaved roads on TeleAtlas maps. When I unchecked 'use paved roads only' the route was logical. Otherwise not.
POI files don't influence routing.
There a 2 major map makers: TomTom/TeleAtlas and Navteq. In Eastern Europe, there are some smaller firms, but their (only local) maps are more accurate.
By the way, when the same country maps are double or triple in the map folder, the newest and latest one is always used by iGO.
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