On 3 August 2010, Dave Fox wrote:
To check, are the OSM names corroborative with the Royal Mail list? It's mixed. The Royal Mai list I have is something they put on their website when they changed all our postcodes a few years ago. It doesn't have the qualifiers like 'The Doles (East)' it just has 'The Doles'. But it is correct about Mill Road, rather than Hill Road. This is presumably a typo that crept into OS at some stage (and is copied by Google Maps) The RM list has abandoned all apostrophes. Of course it only has roads that they deliver mail to, so farm tracks are not included. Personally, I would have no problem adding these to OSM. I think OSL is more accurate than the RM. Just because there's no sign on the ground it doesn't mean its nameless. I take data from OS as evidence that there is a name for a road/track etc. I'm happy with that where I know a road exists, and I have added names to the farm tracks around the village. But putting roads on OSM without actually verifying that they exists, that's another debate :) and On 4 August 2010, Tim François wrote: As for your point: "Tim's analysis is very useful in pointing out areas for attention, but the reality is not as bad as the figures suggest." As others have pointed out, that's the reality in your area of 46 roads - there are 9282 roads covered by my Bristol analysis: the reality in any area will differ greatly - just see the ITO table for some surprises!!. I have found, though, that many, many roads here are named just as they are on the street signs: so shortenings such as rd, pl, ave etc seem to be common place. This is logged as an 'unfound' road by the script as it obviously doesn't match the OSL data. So far, I've re-surveyed around 50 roads or so, and found all but 2 to be errors in OSM - I've logged the errors in the Catalog if anyone's interested. Tim, I hope you didn't take my point as a criticsm of your work. Quite the opposite. I was just trying to square the difference between our perception of how we were doing with the statisitcs you gave. And around here the answer seems to be a lot to do with apostrophes and farm tracks, but of course it will be different everywhere, and you clearly show that we've got a bit to do in for example, Peterborough. Thanks for the analysis. Richard
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