And on evading the odure, I heard this from a reliable source, a former Lightning pilot and Red Arrow.
It is how to avoid 3 points on your licence.
You get the usual plus £60 fine. You immediately send them a cheque for £61 or some such. They are then obliged to send you the cheque back or refund the pound. If they refund the pound then DO NOT CASH the cheque. If they return the cheque simply post it back again.
While your file remains open they do not put the points on your licence.
warning: I haven't tried this and know no one who has 