Does anyone know if filtering as we Londoners know it is allowed in Germany / Czech Republic??
We might want to do a bit of schnelling round Aachen, Heidleberg etc and don’t want to end up in Colditz with our handies hoched
In Germany it is technically illegal but tolerated to a point, until it isn’t.
Overtaking on the left is usually more advisable (providing there isn’t a ‘no overtaking’ sign).
Oh, we filtered in German cities without issue. Didn’t know. Nobody honked. They’re far too polite for that.
Mr J, you’re going to Wales…wrong country 
I’ve asked many people about this but nobody really seems to know if it is legal however it is done. However I have been told that some of the self serve petrol stations have got cameras to detect if you have a helmet on and if you keep it on automatically call the police. Probably best to take off you helmet.