[OSM-talk] Relations not always brilliant

[Alex S.]

Richard Fairhurst wrote:
> There are thousands of stretches of road like this across Britain,  
> but in all cases they only have one official number (very occasional  
> signage errors notwithstanding).

In the US, there are many highways which carry more than one official 
"ref" number across long stretches.  For example, US-12 shares roadway 
with sections of I-5, I-82 and I-182 in Washington State, but both signs 
are on the side of the roadway in these sections.