Yes, it was me put notices up, 70 of them over a period. All removed.
By all means have another go. Here's mine - http://www.themodernantiquarian.com/post/20739
It's a good idea now the fence is up by the road. And they can't remove them sneakily, it'll be in full view.
So what happens if an American tourist - a lawyer, say - breaks their leg and not only have they stopped putting danger notices up but have also removed ours?