It would appear that the rendering for a bridge might include the parapet.
Much of my local mapping however includes barriers along roads. These are
generally connected to the bridge parapet. It would seem reasonable to
therefore have a seperate way for each bridge paparet that links the barriers
either side of the bridge. Perhaps, barrier=wall, wall=parapet. Parapet is
however used in more that one context http://en.wikipedia.org/wiki/Parapet
If bridge parapets were to be mapped would they therefore need a more distinct
name in this context "bridge_parapet" of should there be some sort of relation
between the highway segment of the bridge and its associated parapets?
At the moment I just leave the barriers "hanging" but it doesn't seem like a
very satisfactory approach to mapping given they are attached to the bridge.
Regards
Dudley
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