[Tagging] Historic road numbering?

[Philip Barnes]

On Sun, 2012-09-23 at 12:30 -0700, Richard Fairhurst wrote:
> Philip Barnes wrote:
> > Is there a means of tagging the old road numbers for a road that
> > has been declassified?
> 
> http://taginfo.openstreetmap.org/keys/old_ref
> 
> cheers
> Richard
> 
Thanks guys, that looks like the tag I am looking for.

Relations do seem like a good idea, then it may be possible to follow
older routes by date.

Thanks Phil