Date: 25/06/2021
London^s first tube railway was the 1891 City & South London line. Trains were hauled by electric locomotives, some of which were built by Siemens Brothers. The tunnels were even smaller than todays, circa 4m in diameter. The Tube has expanded significantly and now requires more than 540 trains to maintain the service.
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Tags: x Piccadilly Line x City and South London Railway x London and Southwark Subway