[OSM-talk] Super-relations for roads

[Nathan Edgars II]

Konrad Skeri wrote:
> 
> Good question. Why are we putting roads into relations?
It adds useful redundancy, making it possible to find errors in a route
(and, in the other direction, since it's easier to screw up a relation than
ref tags, having ref tags helps with correction). It also adds nonredundant
information for some one-way pairs, where the two directions use different
two-way roads.
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