Got a letter through today notice of intended prosecution saying I was doing 102 mph at m56 eastbound , appleton coming back from angelsey the reason for this post is me and our lass shared the driving not sure who was behind the wheel at the time and I don't think either of us was doing that speed my car struggles to do 90 mph never mind 100 mph how accurate are these speed guns?do I take it court have I got a chance never been in this situation cheers kez