[Talk-GB] Relation for M5?

[Richard Fairhurst]

Mark S wrote:
> Looking at the wiki (route=road) it seems to suggest a relation can 
> be used here.

Road route relations are useful in the US, and some other countries, where a
section of road can belong to two routes.

In the UK, each road can only belong to one route (i.e. an unambiguous ref=
tag). There is no need for road route relations; the M5 motorway is more
easily defined as "all ways within the UK bounding box with the tags
highway=motorway* and ref=M5". Consequently we don't use road route
relations in the UK.

cheers
Richard



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