White painted rectangles (about 2'x1') on dual carriage/motorways. What do they signify?

Question:
Sometimes are are in rows across all carriageways, sometimes on their own.

How does a car keep track of the miles?!?

I have asked loads of people what they mean and, so far, nobody has been able to shed any light. Can you help?

Answers:

Inline 6 or v6 whats better?

Speed/distance markers perhaps? I've wondered this for ages. My thought was that they are there so that if the CCTV footage from the stand-alone CCTV cameras (the ones on the big poles) catch anything untoward on the camera, like someone hurtling along at 120mph, the markers would allow the CCTV operators/Police to give a good estimate on their speed. The distance travelled from first coming into shot then up to the white marker divided by time would give this.

What is involved in putting a turbo onto a peugeot boxer 1.9 van, the van i have is a non turbo?

But I'm probably way off the mark!

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Does anyone no?

it signifys that there are drunks on this road

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Does anybody know name of big silver caravan awning mainly seen on hobby caravans?

i THINK they are police markers for when someone is speeding. they count the time it takes to get to next marker and work out the average speed. but i could be wrong lol.

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Can you beat my tuner car???

AMY 22 is spot on - they are indeed for gauging speed over a given distance.

I want to Import a 1965 Classic Rolls Royce from UK to India - is it possible??

It's part of the latest system to 'track' speeders, rather than using cameras at specific spots, the police now measure 'average' speed over a total distance.

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Why is it that I only look bad in car rear-view mirrors?

Next time you are on foot and see one of these, have a look on the side of the road. Very often the word "vascar" is painted on the edge of the road.
I have often wondered what this meant, a google search found this page which is quite informative.

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http://www.ukspeedtraps.co.uk/speed03.ht...

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What country are Napa auto parts manufactured?

They are for the police to guage speed accurately especially useful as physical evidence I hear

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Do chrome colored wheel covers look silly?

it is a thing the police use for catching speeding drivers & it is called VASCAR

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Why do the horns on big ol' SUV's sound like a strangled baby goose?

They are generally near a bridge, and are for use in conjuction with handheld speed cameras on the bridge. They just give a reference point for the camera to work from.

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Those experienced with tint, please help?

They are there to measure your speed over a given distance.

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