[HOT] paths, tracks and unclassified in West Africa

[Eric Sibert]

> My thoughts would be to suggest that mappers in general ignore primary,
> secondary, tertiary, classifications, if the road is mapped then a local or
> classification specialist can tag with one of these if required.

So, highway=road is made for such a problem. Later, contributors with  
better local knowledge can make/improve classification. And it is  
easier to detect roads needing classification if they are tagged with  
"road" instead of "unclassified".

Eric