Editing Piccadilly line (section)

=== Future rolling stock ===
{{Main articles|London Underground 2024 Stock}}
In the late 1990s, the Labour government initiated a [[public–private partnership]] (PPP) to reverse years of underinvestment in [[London Underground]].<ref name=":422">{{Cite news |date=16 December 2000 |title=New blow to Tube sell-off plan |language=en-GB |work=[[BBC News]] |url=http://news.bbc.co.uk/2/hi/uk_news/politics/1072193.stm |access-date=7 March 2021}}</ref> [[Tube Lines]] planned to order 93 new Piccadilly line trains, which would enter service by 2014.<ref name=":13">{{Cite web |date=8 January 2003 |title=Details of Tube modernisation plans unveiled |url=http://www.tubelines.com/news/releases/200602/20030108.aspx |url-status=dead |archive-url=https://web.archive.org/web/20060519094016/http://www.tubelines.com/news/releases/200602/20030108.aspx |archive-date=19 May 2006 |access-date=8 March 2021 |website=Tube Lines}}</ref> In January 2007, Tube Lines started the process of ordering new Piccadilly line trains, by querying if train manufacturers would be interested in supplying them.<ref name=":16">{{Cite web |date=15 January 2007 |title=Tube Lines invites expressions of interest from manufacturers for new Piccadilly line trains |url=http://www.tubelines.com/news/releases/200701/20070115.aspx |url-status=dead |archive-url=https://web.archive.org/web/20090224092920/http://www.tubelines.com/news/releases/200701/20070115.aspx |archive-date=2009-02-24 |access-date=2022-06-16 |website=[[Tube Lines]]}}</ref> Contract award was anticipated for 2008, and trains would enter service on the Piccadilly line in 2014.<ref name=":16" /> However, TfL bought out the Tube Lines consortium after cost overruns in 2010, formally ending the PPP.<ref>{{cite news |date=8 May 2010 |title=Tube maintenance back 'in house' as new deal is signed |publisher=[[BBC]] |url=http://news.bbc.co.uk/1/hi/england/london/8669823.stm |accessdate=9 May 2010}}</ref>

In the mid 2010s, TfL began a process of ordering new rolling stock to replace trains on the Piccadilly, Central, Bakerloo and Waterloo & City lines.<ref name=":4">{{Cite web |date=October 2014 |title=New Tube for London - Feasibility Report |url=http://content.tfl.gov.uk/ntfl-feasibility-report.pdf |url-status=dead |archive-url=https://web.archive.org/web/20160305014932/http://content.tfl.gov.uk/ntfl-feasibility-report.pdf |archive-date=5 March 2016 |access-date=26 June 2022 |website=[[Transport for London]]}}</ref> A feasibility study into the new trains showed that new generation trains and re-signalling could increase capacity on the Piccadilly line by 60%, with 36 trains per hour.<ref name=":4" />

In June 2018, the [[Siemens Inspiro]] was selected.<ref>{{cite magazine |date=15 June 2018 |title=Siemens to supply London Underground deep tube fleet |url=http://www.metro-report.com/news/news-by-region/europe/single-view/view/siemens-to-supply-london-underground-deep-tube-fleet.html |magazine=Metro Report International}}</ref> These trains will have an open gangway design, wider doorways, air conditioning and the ability to run automatically with a new signalling system.<ref name=":14">{{Cite news |date=4 March 2021 |title=Piccadilly Line: Plans for new 'walk-through' trains unveiled |work=BBC News |url=https://www.bbc.com/news/uk-england-london-56273283 |access-date=5 March 2021}}</ref> However, TfL could only afford to order 94 trains at a cost of £1.5bn, and not the cost of resignalling and automating the line.<ref>{{Cite news |last=Harris |first=Simon |date=3 January 2018 |title=Plan to sell part of Tube fleet branded 'quite mad' |website=ITV News |url=https://www.itv.com/news/london/2018-01-03/plan-to-sell-part-of-london-underground-fleet-branded-quite-mad |access-date=6 March 2021}}</ref> Half of the trains will be built in [[Goole]], [[East Riding of Yorkshire]].<ref name=":10">{{cite news |date=15 June 2018 |title=East Yorkshire factory wins £1.5bn Tube train deal |publisher=BBC News |url=https://www.bbc.co.uk/news/uk-england-humber-44496526 |access-date=15 June 2018}}</ref> Trains are expected to enter service in 2025, and are currently undergoing testing at a depot in Germany.<ref name=":0">{{cite news |last=Lydall |first=Ross |date=4 March 2021 |title=First look: TfL unveils design of new Piccadilly line trains |work=Evening Standard |location=London |url=https://www.standard.co.uk/news/transport/design-new-piccadilly-line-trains-unveiled-tfl-b922086.html |access-date=4 March 2021}}</ref><ref>{{cite web | url=https://www.railwaygazette.com/metros/london-undergrounds-piccadilly-line-train-on-test/65383.article#:~:text=UK%3A%20The%20first%20of%2094,Test%20%26%20Validation%20Centre%20in%20Germany | title=London Underground's Piccadilly Line train on test }}</ref>