Blog

242 downloads, 49 countries, walk retention curves, and what the numbers say after two months live.

Every OpenStreetMap tag I decided to include or exclude in the coverage map, and the reasoning behind each call.

Why Vienna has 23 districts, Sacramento has 15 neighbourhood groups, and how those boundaries get drawn from OpenStreetMap and city open data.

What a street segment is, and the simple math that turns segments into your coverage percentage.