2013/9/30 Philip Barnes <p...@trigpoint.me.uk> > And canal tunnels, there is usually a towpath through the same tunnel, but > we have to map them as separate tunnels, then there are double track > railway tunnels.
IMHO this is the same as for bridges: we don't have a general standard how to map a bridge or a tunnel, all we (there are exceptions, speaking about the general consensus how "normal" mapping is done) currently do is attaching an attribute to a road (or sth. else) stating that it is on a bridge or in a tunnel, but we do not map the bridge or tunnel itself. The solution could be a bridge object or a tunnel object (could be either geometry or a relation) which would represent the actual structure, would get tags like name (name of the bridge / tunnel, not of the road, i.e. goodbye bridge_name), and so on. In the case of geometry this would be an area outlining the feature, in the case of relations I think there is already a proposal, but not very much used. cheers, Martin
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