This report discusses the results of the evaluation of a second, larger scale-up of the Zusha! sticker intervention in Kenyan matatus, or minibuses. The intervention was randomized across 12,000 vehicles.
In the vehicles that received stickers:
-All insurance claims fell by 25-33%
-The effect of the stickers was equivalent to avoiding 140 accidents and saving 55 lives per year
-Maximum speed was 1-2KM lower on average