OSM coverage can be very good, but quality varies by location. People have to be interested enough to put in the detail and keep it up to date. As far as I kno

OSM coverage can be very good, but quality varies by location. People have to be interested enough to put in the detail and keep it up to date. As far as I know, it doesn't do pathfinding either. A client will have to take the data from OSM and use its own algorithms to navigate.