[OSM-talk] Relations not always brilliant

[David Earl]

On 06/04/2008 20:19, Karl Newman wrote:
>     In the UK, road numbers are unique (apart from about three cases
>     where local councils have cocked up, e.g. the B4027) and no road can
>     have more than one ref. 

Not true - the A11 and A14 share about 10 miles of dual carriageway 
around the north of Newmarket, for example.

> The relation doesn't give any info over and
>     above that in the standard 'ref' tags - it just increases complexity
>     for both editing and processing.

It links the pieces together, which you would have to infer otherwise 
from the ref. That's not to say the ref shouldn't be on the highway as well.

David