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In accordance with this plan, the first 8-car trains of [[London Underground 1992 Stock|1992 Stock]] entered service in 1993,{{sfn|Day|Reed|2010|p=198}}<ref name="RSI">{{cite web |title=Rolling Stock Information Sheets |url=http://www.tfl.gov.uk/assets/downloads/foi/Rolling_stock_Data_Sheet_2nd_Edition.pdf |access-date=26 November 2012 |publisher=London Underground |archive-date=4 October 2013 |archive-url=https://web.archive.org/web/20131004231025/http://www.tfl.gov.uk/assets/downloads/foi/Rolling_stock_Data_Sheet_2nd_Edition.pdf |url-status=dead }}</ref> and while the necessary signalling works for ATO were in progress, [[One person operation|One Person Operation]] (OPO) was phased in between 1993 and 1995.{{sfn|Day|Reed|2010|p=200}} [[Automatic train protection]] was commissioned from 1995 to 1997 and [[Automatic train operation|ATO]] from 1999 to 2001, with a centralised control centre in West London.<ref name="Line Facts" />
The trains are
=== Future rolling stock ===
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