Through my own ignorance I think after 20 years of driving I'm going to get my first speeding ticket 
There's 3 sections of dual carriageway each seperated by a roundabout, the bottom 2 sections are all 50mph and I've assumed all along that the top section was also 50mph as I've never seen a speed limit sign.
So I was trundling home after dropping my boy off with the baby sitters sitting at 50mph, coming up to the first roundabout and there's a peeler pointing a speed gun at me, I didn't even take any notice of him as I assumed I was doing the speed limit. Spoke to a friend of mine and he guarantee's me that that section of the road is definately 40mph.
Gutted! There's no point me trying to get out of it, I'm sure I completely ignored the street light spacing or something. What's the average fine nowadays for 10mph over?

There's 3 sections of dual carriageway each seperated by a roundabout, the bottom 2 sections are all 50mph and I've assumed all along that the top section was also 50mph as I've never seen a speed limit sign.
So I was trundling home after dropping my boy off with the baby sitters sitting at 50mph, coming up to the first roundabout and there's a peeler pointing a speed gun at me, I didn't even take any notice of him as I assumed I was doing the speed limit. Spoke to a friend of mine and he guarantee's me that that section of the road is definately 40mph.
Gutted! There's no point me trying to get out of it, I'm sure I completely ignored the street light spacing or something. What's the average fine nowadays for 10mph over?