I was recently zapped by the police for doing 34 in a 20 zone. First time caught speeding in over 20 years. I accepted the fixed penalty and paid the fine and got points. My query is theoretical as at 34mph I would have been speeding if it were a 30mph zone but...
I turned out of a side road onto a main road. The main road ran past a school before I joined it so is 30mph most of the time but 20mph at certain times 'when lights flash'. I was annoyed I hadn't noticed this so backtracked after getting the ticket and the lights on the sign on the side road weren't flashing (they were on the main road in the opposite direction next to where I was stopped) so basically I had no way of knowing that I was in a 20mph zone. Would this have been a reasonable defence if I was doing 30? Also, given I didn't know the lights were broken when I accepted the fixed penalty could I have appealed? The notice seemed to suggest I couldn't which seems very unfair as you have to make a decision without all the facts.