From Unlock15
Evidence
15min-City online Maps
The map shows how close services are if one lives in different areas of the city: in red areas the time needed to access the closest services is on average higher than 15 minutes, while the blue are 15-minute areas. We consider the average time of accessibility to the closest 20 POIs.
Observing and visualising human behaviour in public space
Collecting data on how people use space can give you a solid foundation to discuss how it should be designed. These apps can help you to collect your data.