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A mobile police camera van , catching speeding motorists on the A1M motorway at Wetherby,North Yorkshire Stock Photo - Alamy
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Police operated mobile speed detection camera van parked on a motorway bridge, on the M6 near Carlisle, Cumbria Stock Photo - Alamy
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Van crashes into police car on A500 in Crewe as yobs throw bricks off bridge onto cars - Cheshire Live
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Chinese authorities erect fake police cars on motorway hard shoulders to deter speeding | Daily Mail Online
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