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UK Police to save millions by laser scanners

UK: The UK Police deployed laser scanners at the scene of serious motorway crashes so they can clear the roads more quickly. The scanner saved time by making a 3D image of the site, rather than investigators having to painstakingly log everything at the scene. According to the Roads Minister Mike Penning, the GBP 3 million investment on scanners is well spent.
It is hoped that getting traffic moving again will save the economy hundreds of thousands of pounds each year. It is estimated that motorway closures following serious crashes cost the economy GBP 1 billion a year, as freight traffic and work commuters are caught in the huge tailbacks than ensue.
Penning said, “We need growth. That means I need my motorways working better. I need them open, I need them swept so I am investing GBP 3 million to offset the GBP 1 billion we are losing.”
Government figures suggested that last year there were more than 18,000 full or partial motorway closures lasting a total of more than 20,000 hours, at a cost of GBP 50,000 per hour. 
The 3D laser technology uses a special scanner mounted on a tripod to take a 360-degree image of the crash site recording 30 million separate data points down to a resolution of less than a millimetre. Each sweep takes about four minutes and typically police will take four scans of each site.
This digital image of the site can then be viewed on a computer screen enabling investigators to take measurements of where vehicles are in relation to each other and other important evidence.
Source: BBC