Transport for London wants to collect depersonalised Wifi data from Tube travellers’ mobile phones on a regular basis after hailing the success of a trial.
A four-week pilot ran between November and December last year. Focused on 54 stations within travelcard zones 1-4, it saw more than 509 million depersonalised ‘probing requests’, or pieces of data, collected from 5.6 million mobile devices making around 42 million journeys.
The data was then analysed by...
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