[Talk-us] Tagging historic US routes

Tod Fitch tod at fitchfamily.org
Fri Mar 6 01:45:39 UTC 2020

This weekend I drove part of AZ-79 and noticed that Arizona has now put up some “Historic US 80” signage. On the sections of highway I drove, every occurrence of a AZ-79 route marker now also has a historic US-80 route marker. (Back in the day that highway was dual signed as US-80 and US-89 but I guess nobody cares about having historic US-89 markers at present.)

I was in a rental car and eventually figured out how to get Apple CarPlay setup so I could use the OSM based Maps.me app to show the roads I was on. In doing so I saw that Maps.me was showing the road with dual highway shields: A AZ shield with 79 and a US shield with 80. Since US-80 was decommissioned a long time ago (at least in Arizona and California) this seems wrong so I thought I’d look at the tagging.

The tagging is on a route relation [1], at least I don’t see tagging on the individual way segments that would render as “US 80”.

How should this be tagged?

Casting about for examples of what to do, it seems that the Lincoln Highway [2] relation is quite different. And US 66 in California has no historic route relation at all, just the current county road route [3].

There is a German page on the wiki about “route=historic” [4]. My reading of a machine translation of it implies that instead of “route=road” the historic US 80 relation should have “route=historic” and “historic=road”.


[1] https://www.openstreetmap.org/relation/9230611
[2] https://www.openstreetmap.org/relation/3958115
[3] https://www.openstreetmap.org/way/205719338
[4] https://wiki.openstreetmap.org/wiki/Tag:route%3Dhistoric
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