Systems, devices and methods are provided for an improved navigational
route planning device which provides more understandable, accurate and
timely route calculation capabilities. The navigational aid device with
route calculation capabilities includes a processor connected to a
memory. The memory includes cartographic data and a desired destination,
the cartographic data including data indicative of thoroughfares of a
plurality of types. A display is connected to the processor and is
capable of displaying the cartographic data. The device is adapted to
process the device=s location and travel along a planned route. And, the
device is adapted to dynamically calculate a new route to the desired
destination with a preference for avoiding a particular portion of a
thoroughfare or one or more different thoroughfares in a previous route.