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editing maps

Former Member
Former Member
is it possible to define roads for my nuvi 3790t? There are several new roads in this area (built less then a year ago) that no map software knows of, including garmin, yahoo, and mapquest..

even tho I've traveled the 'off road' route several times, the garmin still refuses to navigate up that route and wants to take me on a very long out-of-the-way route..