[Tagging] Surface on turning circles
tod at fitchdesign.com
Wed Jan 2 18:23:37 UTC 2019
I am implementing a map rendering that differentiates roads based the type of surface. A number of these roads have turning circles which I would like to render too and I’d like to base the rendering on the surface.
Looking at the wiki page for turning_circle  and at taginfo  it appears that there has been no discussion or use of a surface tag on a point tagged as highway=turning_circle.
I suspect there are cases where a turning circle’s surface may not match the surface of the roadway so even if I could figure out how to determine the surface of the highway way the node was on it would not be a solution.
So, what is the opinion on adding to the turning_circle wiki page a section on tagging its surface? My thought would be to simply use the same surface tagging as for a highway way 
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