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.
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Latest from the blog
A unique OpenStreetMap project
Every Quarter (3 months) the OpenStreetMap UK embarks on a community project to improve the map and, whilst working together, to build our community. The final quarter of 2019 saw us trying... READ MORE
Junction improvements: more than meets the eye
It’s been fascinating mapping the changes during 2019 for the major junction improvements under way at the Iron Lane junction in East Birmingham; long tolerated by users of the A4040 Outer Ring Road... READ MORE
Drone Imagery from the Seventeenth Century
If ever you are visiting the city of Lille in northern France take some time out to visit the basement of the Palais des Beaux-Arts, home to fourteen relief maps of fortified French... READ MORE
Mapping a New Town being developed on a vanished national landmark
It’s not often you get the opportunity to map a completely new town from the ground up, so mappa-mercia volunteers (all four of us) descended on Houlton, next door to Rugby Warwickshire to... READ MORE