Hi, I came across an interesting routing problem the other day. A section of the Richardson Highway in Alaska was relocated in 2015 by the Alaska DOT in anticipation of erosion or flooding by the nearby Delta River. However, the old highway is still present, is still paved, and is shorter than the new highway that replaced it. OSM mapper Will Lenz classified the old highway as a track to "persuade" his GPS's routing algorithm into using the new section. See the following changeset and the conversation I had with Will here: http://www.openstreetmap.org/changeset/47049836.
Clearly, the old highway is not a track using the Wiki's definition. I might be tempted to tag it as highway=unclassified, or perhaps service, but none of these solutions is ideal. Will's idea works but is not, strictly speaking, proper. How then should one tag such a way? AlaskaDave -- Dave Swarthout Homer, Alaska Chiang Mai, Thailand Travel Blog at http://dswarthout.blogspot.com
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