[Talk-us] State Route relations (was: HighwayTaggingConsensustoImprove OSM (and address some of 41latitude's concerns))

[Mike N.]

> Adding a single-carriageway to the relation twice, once for each role,
> would solve this problem instantly, as would using two separate
> relations.  Neither requires much (if any) code changes to support it.
> But in any case, I'm much more in favor of consistency, even if the
> format we choose isn't the one I would prefer.

   That's probably the best argument for separate relations per direction; 
it works directly with existing tools.   That fit probably is worth any 
minor issues with keeping track of multiple relations.