[Talk-GB] OS 1:25K tracing

Chris Hill osm at raggedred.net
Fri Jan 22 11:42:31 GMT 2010

Steve Hill wrote:
> Since the out of copyright 1:25K maps appeared, there has been rather a 
> lot of tracing going on.  On the whole, I think the availability of this 
> data is good.  However, I have noticed that around the Gower peninsula, 
> quite a few nonexistent roads, etc. have appeared and have been attributed 
> to these maps.
> I'd like to take the opportunity to point out that blindly tracing fairly 
> old maps without doing any kind of a survey is pretty counterproductive - 
> someone now has to go around and survey and delete these bogus features.
> By all means, trace the maps to add stuff you know is there, but please 
> don't just trace everything without some local knowledge.

More information about the Talk-GB mailing list