Editing High Speed 1 (section)

== Building cost ==
The cost of construction was £6.84&nbsp;billion. At £51&nbsp;million per mile, this was higher than other projects in many other countries.<ref name=aecomatkins/> The French [[LGV Est]], a line built largely through near-flat fields (save for the [[Saverne Tunnel]]) and which terminates outside its urban centres ([[Vaires-sur-Marne]] for [[Paris]] and [[Vendenheim]] for [[Strasbourg]]) cost £22&nbsp;million per mile.<ref name=aecomatkins>{{Citation | author = Aecom and Atkins | title = First Interim Evaluation of the Impacts of High Speed 1 | url = https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/466084/first_interim_evaluation_hs1_main-report.pdf | access-date = 8 May 2019 | archive-date = 8 May 2019 | archive-url = https://web.archive.org/web/20190508155119/https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/466084/first_interim_evaluation_hs1_main-report.pdf | url-status = live }}</ref> Its phase one was completed in 2007 and phase two in 2016.<ref name=aecomatkins/>