Editing Metropolitan line (section)

== Rolling stock ==
{{Main|London Underground S7 and S8 Stock}}
[[File:LUL-S-Stock-interior-Original-Met-Line-Variant.jpg|thumb|S8 Stock trains featuring partial transverse seating, reminiscent of the older A Stock trains]]
Since 20 September 2012, all services have been provided by eight-car S Stock trains<ref>{{cite web |url= http://content.tfl.gov.uk/Part-1-Item05-Commissioners-Report-November-2012.pdf |title=Commissioner's Report |publisher=Transport for London |work=Board Meeting Documents |date=20 September 2012 |access-date=27 September 2012 |at=paragraph 3.2 |url-status=live |archive-url=https://web.archive.org/web/20200826151136/http://content.tfl.gov.uk/Part-1-Item05-Commissioners-Report-November-2012.pdf |archive-date=26 August 2020}}</ref> introduced in July 2010 to replace the 1960s [[London Underground A60 and A62 Stock|A Stock]].<ref name="waboso">{{cite news |title=Transforming the tube |author=Waboso, David |work=Modern Railways |location=London |date=December 2010 |pages=42–45}}</ref> Part of Bombardier's [[Bombardier Movia|Movia]] family, they have air-conditioning, feasible because the sub-surface tunnels, unlike tube tunnels, are able to disperse the exhausted hot air.<ref name=Bombardier>{{cite web |title= Movia metro – London, United Kingdom |publisher=Bombardier |url= http://www.bombardier.com/en/transportation/products-services/rail-vehicles/metros/london--united-kingdom?docID=0901260d8000d19e |access-date=27 January 2011}}</ref><ref name="MR201012p46ff">{{cite news |title='S' stock making its mark |work=Modern Railways |location=London |page=46 |date=December 2010}}</ref> They have [[regenerative brake]]s, returning around 20% of their energy to the network and thus reducing energy consumption.<ref>{{cite web|url=http://www.tfl.gov.uk/assets/downloads/transforming-the-tube-brochure.pdf |title=Transforming the Tube |date=July 2008 |publisher=Transport for London |access-date=28 May 2009 |url-status=dead |archive-url= https://web.archive.org/web/20110605002808/http://www.tfl.gov.uk/assets/downloads/transforming-the-tube-brochure.pdf |archive-date=5 June 2011 }}</ref> With fewer seats than the older A Stock&nbsp;– 306 compared with 448 – they can accommodate 697 standing passengers, compared with 597 in A Stock,{{#tag:ref|Based on 4 passengers per square metre.|group=note}} and have dedicated space for wheelchairs.<ref>*{{cite web |url= http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/rollingstock/1614.aspx |title=Rolling Stock: A Stock |access-date=25 November 2012 |publisher= Transport for London }}
*{{cite web |url= http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/rollingstock/21815.aspx |title=Rolling Stock: S Stock |access-date=25 November 2012 |publisher= Transport for London |url-status=dead |archive-url= https://web.archive.org/web/20131229052317/http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/rollingstock/21815.aspx |archive-date=29 December 2013 }}</ref> They have a top speed of {{convert|62|mph}},<ref name=Bombardier /> being the only London Underground stock to travel at that speed, doing so on the long-distance sections north of Finchley Road.

There are 58 S8 Stock trains in operation, as well as one eight-car S7 Stock also called 'S7+1' – which retains the all-longitudinal seating of the normal seven-car S7 Stock that is operated on London Underground's other sub-surface lines.