Long walking routes often have a main route and several additions of various types. If these additions are not waymarked, they are not recorded in OSM. Easy.
But often, they are. On maps these are usually shown as a striped line, while the main route is usually a continuous line. I would like to enable OSMrenderers and data users to render/process the additions/alternatives differently than the main route. One solution just for rendering would be to optionally add "striped" to the colour tag. Or dotted. A more general solution would be something like alternative=yes, additional=yes, approach=yes. A tag that covers all the variants, I can't think of a suitable word. the other way around: main_route=no? Vr gr Peter Elderson
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