CTwalk Map maps 5- and 15-minute walkability, showing how different age groups can reach city destinations and highlighting local access inequalities. Purpose of Tool: CTwalk Map is an interactive web-tool which uses open-source pedestrian street-network, population-demographic and place/amenity data to map and visualise the 5- and 15-minute walking environment in cities. It estimates ➤ how many children, adults and elderly citizens can reach various destinations on foot with