| 21. | In 1890 steam trams were introduced and it was later electrified.
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| 22. | The line was electrified in 1935 for peak hour passenger trains.
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| 23. | In September 1980, the Darra to Ipswich line was electrified.
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| 24. | The Kawagoe Line from Kawagoe was electrified on 30 September 1985.
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| 25. | The line from Folkestone into Priory was electrified in June 1961.
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| 26. | It was electrified in 1913 before reverting to steam in 1951.
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| 27. | The first electrified section was already in use by October 1945.
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| 28. | It is the southern extremity of the electrified Sydney Trains network.
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| 29. | On 17 August 1991, the line was electrified to Richmond.
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| 30. | After being electrified, the number of passengers carried increased considerably.
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