A system and method identifies road features that may not appear on a map database, such as paths not described as roads on the map database. Periodical positional fixes are received from vehicles. Traces belonging to the same new road segment, having a co...

A system and method splices into, or replaces routes identified based on road geometry with routes taken by the same user or other users to create alternate routes that may be selected by a user to display, for example, on a map or for which driving direct...