<
https://en.m.wikipedia.org/wiki/Solomon_curve#/media/File%3ASolomon_Curve.png>
Perhaps this was one reason why Devon and Cornwall Road Policing unit was
so concerned at a group of cyclists pedalling downhill on a rural road, approaching a junction and zebra crossing, at a speed well above that
allowed for motor vehicles.
When in traffic, drive (and presumably cycle) at the same speed as other vehicles, as advised by a number of safety organisations.
The Solomon curve has been supported by theoretical analysis.
The moral is: Go with the data. Differential speed kills.
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Spike
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