The Wiki is great for things like this. In this case the page on concrete has links to concrete slabs and concrete lanes, and both have pictures.
https://wiki.openstreetmap.org/wiki/Tag:surface%3Dconcrete
Hope this helps :)
Everything #OpenStreetMap related is welcome: software releases, showing of your work, questions about how to tag something, as long as it has to do with OpenStreetMap or OpenStreetMap-related software.
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Join OpenStreetMap and start mapping: https://www.openstreetmap.org.
There are many communication channels about OSM, many organized around a certain country or region. Discover them on https://openstreetmap.community
https://mapcomplete.org is an easy-to-use website to view, edit and add points (such as shops, restaurants and others)
https://learnosm.org/en/ has a lot of information for beginners too.
The Wiki is great for things like this. In this case the page on concrete has links to concrete slabs and concrete lanes, and both have pictures.
https://wiki.openstreetmap.org/wiki/Tag:surface%3Dconcrete
Hope this helps :)