The London Underground network has grown extensively since it opened in 1863. Over 150 years later, there are 270 stations and 11 Tube lines that stretch across the capital.
Naturally, then, given the network's vast history, there are some interesting quirks associated with every Tube line. In fact, despite being part of London's underground system, there are several stations that aren't even in the capital.
The main reason for this is that they were on existing lines that adapted or extended over time to become lines on the Tube network. There's stations in Essex, Hertfordshire and even Buckinghamshire - three commuter hotspots.
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All eight stations in Essex on the London underground are on the central line. They are:
The furthest is Epping, which is just shy of 25 miles away from the capital, with a 28-minute ride on the Central Line taking you to Stratford in East London.
Meanwhile, there are five stations on the underground in Hertfordshire, all of which are on the Metropolitan line.
While four of these stations may have some claim to London by being inside the M25, Chorleywood does not, making its underground status seem even more bizarre.
Finally, there are three London Underground stations in Buckinghamshire, all three of which are outside of the M25 and on the Metropolitan line. They are:
For an extra piece of trivia, there are also several London boroughs that don't even have a Tube station.
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