I went tearing past one through wiltshire on the A303 whilst annoying a BMW driver ;)
Never heard anything thank god!! The camera looked to be manned by someone in the back of the van
also, there is a dual carriageway in Eastbourne thats fairly long, straight etc.. and is 40mph. I was going along one evening at about 45 (it was completely empty and slightly dusky so i couldnt see him until it was too late) but again never heard anything
Also had a moment on another dual carriageway where it goes from NSL to 50mph for a roundabout - personally I just like braking later
- was doing about 60mph flowing with the rest of the traffic and never heard anything either. That one though, it looked like the officer wasn't paying attention to the camera... not sure if any are automated or not?
I hate mobile cameras - sneaky bastards :( (yes I know don't speed in the first place bla bla bla)