Piccadilly line upgrade - Transport for London
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Piccadilly Line 2024 stock mock-up unveiled
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Piccadilly Line trains: a journey from 1891 to 2025 - Rail Engineer
Siemens awarded £1.5bn contract to build 94 new tube trains by Transport for London
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A mockup of the Transport for London (TfL) London Underground new Piccadilly Line trains, the Siemens Inspiro London 2024 stock tube train, has just been unveiled! Photos from Tom Edwards (BBC London)