In this episode, Nathan Harpham and Sam Scott join hostSteve Ferris on the T-Junction sofa to tackle a tricky topic in road safety data; how meaningful are small changes in casualty numbers?

Sparked by their recent blog, "Is Nine CasualtiesBetter Than Ten?", the conversation explores the challenges of evaluating road safety interventions when data is limited.

The trio discuss the pitfalls of over-interpreting smallsample sizes, the limitations of traditional datasets like STATS19, and the growing importance of alternative and proxy data sources, from social research to connected vehicle data.

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