In this case I would strongly encourage to start from manual mapping. StreetComplete Android app may be useful here (disclaimer: I am involved in making it). S

In this case I would strongly encourage to start from manual mapping. StreetComplete Android app may be useful here (disclaimer: I am involved in making it). See also https://wiki.openstreetmap.org/wiki/Import/Guidelines https://wiki.openstreetmap.org/wiki/Import/Guidelines before importing data