St Paul's tube station

That station was subsequently renamed City Thameslink to avoid confusion for the emergency services, but for some years afterwards many maps and guidebooks in circulation continued to carry the earlier name.The name Post Office was possibly chosen instead of the more obvious St. Paul's to differentiate it from a South Eastern Railway (SER) station which already held that name (but which today is called Blackfriars).To reduce land purchase and compensation payments, the CLR routed its tunnels directly under public roads.During the Second World War the electricity grid control room for London and Southeast England was housed below ground in the lift shaft.[6][7] An underground passageway linking City Thameslink railway station to St Paul's tube station to provide an interchange between the Central line and National Rail services on the Thameslink railway has been suggested by London TravelWatch in a report in 2014, which suggested it would benefit passengers travelling from the Central line to Gatwick and Luton Airports.
Post Office station on a 1908 Tube map , on the blue Central London Railway line.
Central line train on the westbound platform
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