Jago Hazzard takes us to the site of Central Croydon. This station, which was sited where its name implies, was a commercial failure. It was open for two short periods: 1868-71 and 1886-90.
The short branch to it from East Croydon was long ago lost under the Fairfield Halls and Town Hall, but Jago manages to find some scant remains.
And he tells us how it might have become an Underground station.
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