They're the ones Serge just mentioned.

And yeah, the average speed cameras are most definitely the most annoying. I've seen 40 and 50 mph average speed cameras on free flowing motorways that could easily be moving along at 70 or 80 mph.

That trick never worked. Think it was more down to the fact that the initial ones were just shit.
Top Gear had the best solution, drive 140mph up to the second camera then stop and a have a cup of tea whilst your average goes down.

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Don't know if there's any paperwork involved but the ambulances round here have a blue 'running' light on the rear number plate that comes on when the blues are turned on.

I thought it was so the camera people could see the vehicle was on an emergency call, but are'nt gatso photos in black and white ?

My other theory was that the blue light somehow makes the number plate invisible to the camera because it's at a certain wavelength or something, and that it's all a big secret otherwise everyone would fit them !

Slightly off topic, but I had this thought the other day about parking tickets (while watching the third car that day get ticketed outside one of my shops).

If you just put a old parking ticket sticker thing on your windscreen when you parked up do you think you'd get away with not getting a proper ticket because traffic wardens would think you'd already been done?

I once saw a woman in a big ass 4x4 park up totally illegally (all squint, straight on on a double yellow with the arse of the car sticking right out into the road), get out of the car and put an old ticket envelope under the windscreen wiper before going into a pub.

A warden walked round the corner about 2minutes later and promptly gave her a ticket.

I lol'd.

No, because [see my post].

I think it's just another blue light.

I've seen a couple of cars with multiple tickets - one with about 10, and one in a motorway services with probably about 30 tickets - I think that one had a note on the dashboard saying "Broken down" or something. The windscreen was completely covered with tickets anyway.

One thing that used to work for someone at our venue was to drive onto the kerb, switch on his hazard lights and leave his boot wide open all evening. Because nobody would do that if they weren't making a real delivery.

I've been pulled for speeding once, in France, but the points never made it over the channel.