I can't remember either of the clubs publishing statistics about road side stops before. But even then unless the clubs have someone counting all the caravans that don't get stopped you'll not get a balanced outcome.You make an excellent point at how overall statistics will be skewed.
In my post which hoped results might be published, I was thinking more in terms of percentages of those stopped overloaded, or poor tyres, or lights, or mirrors or licence etc.
John
With regards speed cameras. and their effectiveness as catching speeding caravans - becasue we don't have separate caravan registration numbers the camera system has no way of determining if a car is solo or towing just by looking at its registration number. That's not say that with AI they might not be able to begin to differentiate between solo and towing vehicles and thus apply the correct speed limit tarrifs.