[Tagging] Long term detour routes ?(construction, disaster)

Martin Koppenhoefer dieterdreist at gmail.com
Sun Nov 24 14:41:47 UTC 2019

sent from a phone

> On 24. Nov 2019, at 04:34, John Willis via Tagging <tagging at openstreetmap.org> wrote:
> Route=detour exists for *permanent alternate* routes that exist in addition to the existing route (per the wiki).

AFAIK a common case for the tag are motorway detours, e.g. in Germany, these are signposted and can be used to leave the motorway, follow them and they will bring you back after a while (e.g. in case the motorway is blocked after an accident). Your reading of the term „alternate“ might be misleading here, because when you use them it is not uncommon that the main way is completely blocked. They are typically not seen as an alternative you would take without a good reason (because much slower).

Cheers Martin 

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