For some time I've sporadically tried to improve #OpenStreetMap mapping of speed limits on major roads (A-roads) in Britain. I find roads missing limits with an #OverpassTurbo query: https://overpass-turbo.eu/s/1tI4 (replace ""Wales" with own area of interest).

The other day, out of curiosity I ran this query in a a couple of other countries. To my surprise a rather consistent pattern appeared, similar to that of Wales.

A short 🧵

#MaxSpeed #HighwayPrimary #HighwayTrunk