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

UK Defibrillator Map

Over the last few days there has been significant national press attention to a project to create a map of the locations  of public defibrillators. The project is a collaboration between the British... READ MORE

Joy Diversion: Mapping in Manchester

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Saturday 19th May saw the UK OpenStreetMap community and Open Data Manchester join forces for an afternoon of exploring central Manchester. Several mappers from the Midlands made the trip and boy, did we... READ MORE

Conflation & Validation: OSM Conflator

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When Ilya approached the UK OpenStreetMap community about incorporating third party data (Shell petrol stations) into OSM he had already ran the data through his “OSM Conflator” tool. As part of the project... READ MORE