2 18 months trials running one after the other isn't a very fair comparison, as one may include two summer periods (lots of cyclists - high risk) and the following period may include 2 winter periods (dark, wet, slippery - high risk).
My argument is arse, but it was a nice idea
@Alkali started
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2 18 months trials running one after the other isn't a very fair comparison, as one may include two summer periods (lots of cyclists - high risk) and the following period may include 2 winter periods (dark, wet, slippery - high risk).
My argument is arse, but it was a nice idea