Wales 20 mph casualty attribution audit v1.0.0

Evidence Press unrefereed candidate release. The provisional 28% comparison is descriptively replayed, while the frozen aggregate evidence does not identify the point value or sign of the affected-road causal effect. The positive causal attribution remains unsupported. Package ZIP SHA-256: 281a5e496420d12a74d39b94e8cecbfa5b147fbcdcbe732021b680dc76bd2d03. Validation receipt SHA-256: c3bc8ff7e1a8d4d33fb18d3a04ceb5abac7a19609eaf2cca208c1bca634b804b.