[Tagging] Tags useful for rendering of roads in poor conditions

[malenki]

Fernando Trebien wrote on Fri, 3 Jan 2014 17:56:15 -0200:

>- people don't seem to agree on which tag to recommend overall to
>  describe surface conditions: tracktype, or smoothness, or simply
>  surface

OSMers seem to agree that they need all of them.

* Tracktype at least for more or less unimportant tracks, 
* Surface for the material of surface of the road
* Smoothness at least for ways whose smoothness doesn't match the
  smoothness one would expect when looking at the surface=value

How else would you describe an asphalted road like this?:
http://geoawesomeness.com/wp-content/uploads/2013/10/lidar1.jpg
(from
http://geoawesomeness.com/application-of-mobile-lidar-on-pothole-detection/)