Hi, as an approach for the development of a set of unequivocal tools for the description of all kinds of road layouts, I've made a large (though not conceise) list with graphics of the layouts and their conventional and innovative taggings.
See https://wiki.openstreetmap.org/wiki/User:Ulamm/Tables_of_street_layouts Yours' Ulrich _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging