Mappa Mercia is a project to grow OpenStreetMap in the West Midlands, UK. We run community events, provide training and support local organisations wishing to open up their data.

Latest from the blog

Petrol stations with a fixme tag

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As we described when we kicked off this quarters UK project to map petrol stations, recent community validation of third party (import) data has highlighted much outdated and erroneous data within OpenStreetMap :-(.... READ MORE

Q1 2018 mapping project: Petrol stations

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Following a lengthy discussion on the talk-gb mailing list and several false starts, Ilya recently imported UK Shell petrol station data into OpenStreetMap.To confirm the quality of the third party data a brand... READ MORE