| https://openstreetmap.org/copyright | https://openstreetmap.org |
| Copyright OpenStreetMap and contributors, under an open license | |
| https://openstreetmap.org/copyright | https://openstreetmap.org |
| Copyright OpenStreetMap and contributors, under an open license | |
Closing this note with a reference to something I have now written down, http://inai.de/2015/08/20 . 2-way is definitely justified here.