Portable navigation system and device with audible turn instructions

摘要: Systems, devices and methods are provided for an improved navigational route planning device which provides more understandable, accurate timely calculation capabilities. The aid with capabilities includes a processor connected to memory. memory cartographic data desired destination, the including indicative of thoroughfares plurality types. A display is capable displaying data. adapted calculate navigate destination. And, adjust starting point appropriate location such that on at time when completed. processes travel along route, recognizes has deviated from calculates new