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<p>The Department’s survey of hand-held mobile phone use and seat belt compliance
has been designed primarily to produce national rather than regional estimates for
Great Britain. A new survey for 2017 is currently being procured, which includes options
to allow extra surveys to be commissioned for specific areas, including by Transport
for London to secure London level data.</p><p>The survey will record data about taxi
and private hire vehicles; however, no currently tested methodology enables information
to be gathered about the use of cradled mobile telephones using roadside observation.</p>
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