To generate navigation directions for a driver of a vehicle, a route for guiding the driver to a destination is obtained, visual landmarks corresponding to prominent physical objects disposed along the route are retrieved, and real-time imagery is collected at the vehicle approximately from a…

To identify important access roads for a geographic location, multiple previous requests for directions between a multiplicity of sources and one or more destinations identical, or proximate, to the geographic location are identified. Further, routes between the multiplicity of sources and the one…