Its says PCN --- that stands for parking charge notice.
Ah I am wrong then, sorry
It stands for penalty charge notice and I have just seen the photos and as kosmic said I have driven through the wider centre bit, no bollards or arrow but a sign that I can't make out from the pictures .
Most obvious thing is that the hatchings are surrounded by a solid white line so no excuse really Punkstig I'd have thought.Just got to take the lack of observation on the chin and use the experience to good effect in the future.
These sorts of lanes are new to me - can I ask what the purpose of them is?
The official stance is "Traffic Calming" to slow down the cars etc using the route.