| 11. | London Overground will also replace the Class 317s it uses in 2018.
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| 12. | The remains of an overground structure were a 19th-century restoration.
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| 13. | London Overground services from London Euston currently serve this station.
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| 14. | They only apply to the Metropolitan line and London Overground.
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| 15. | The withdrawal saw the end of the Overground Link services.
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| 16. | In December 2007, First changed some of its Overground route colours.
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| 17. | The Silverlink logos were removed and Overground banners were added.
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| 18. | Norwood Junction railway station is the nearest overground station to the centre.
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| 19. | Overground people can get on at busline 44 and 46.
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| 20. | Eight 172 / 0 units were built for London Overground.
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