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Roads Policing Unit (RPU) - Surrey Police - UK on Twitter: "Once a month we have to conduct speedometer checks on all of our vehicles to ensure they're still spot on and
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New police digital speedometer calibration method developed by Road Safety Support| Road Safety Support
Roads Policing Unit (RPU) - Surrey Police - UK on Twitter: "Once a month we have to conduct speedometer checks on all of our vehicles to ensure they're still spot on and
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