Editing Millennium Line (section)

==== Construction ====
Preliminary work on the extension began on February 19, 2019, with the installation of trolley poles and wires on 12th Avenue between Arbutus and Granville Streets that were required in order to reroute [[Trolley buses in Vancouver|trolley buses]] off of [[Broadway (Vancouver)|Broadway]] for the duration of the construction of the subway.<ref>{{cite web |title=Early Works – Broadway Subway |url=https://engage.gov.bc.ca/broadwaysubway/early-works/ |access-date=April 13, 2019 |work=Government of British Columbia}}</ref><ref>{{cite web |last=Chan |first=Kenneth |date=March 25, 2019 |title=TransLink releases map of trolley reroutes during Broadway Subway construction |url=https://dailyhive.com/vancouver/vancouver-broadway-subway-trolley-bus-reroutes |url-status=live |archive-url=https://web.archive.org/web/20190326054737/https://dailyhive.com/vancouver/vancouver-broadway-subway-trolley-bus-reroutes |archive-date=March 26, 2019 |access-date=July 11, 2019 |work=Daily Hive}}</ref> On June 22, 2020, trolleybuses were removed from Broadway.<ref>{{cite web |last=Lazaruk |first=Susan |date=June 10, 2020 |title=TransLink taking trolley buses off busy Broadway for next five years |url=https://vancouversun.com/news/local-news/translink-taking-trolley-buses-off-busy-broadway-for-next-five-years |url-status=live |archive-url=https://web.archive.org/web/20200610230442/https://vancouversun.com/news/local-news/translink-taking-trolley-buses-off-busy-broadway-for-next-five-years |archive-date=June 10, 2020 |access-date=June 10, 2020 |work=Vancouver Sun}}</ref> The provincial government initially had a plan to have a contractor selected by April 2020 to allow for construction to begin later that year.<ref>{{cite web |last=Chan |first=Kenneth |date=February 15, 2019 |title=BC launches bidding process for $2.8-billion Broadway Subway to Arbutus |url=https://dailyhive.com/vancouver/broadway-extension-skytrain-bidding-process-february-2019 |access-date=July 11, 2019 |work=Daily Hive}}</ref> On July 17, 2020, the provincial Ministry of Transportation announced that [[Acciona|Acciona Infrastructure]], a Spanish conglomerate, and [[Ghella (company)|Ghella]], an Italian company, would be in charge of construction.<ref>{{Cite web |last=Little |first=Simon |date=July 17, 2020 |title=B.C. government picks construction group to build Vancouver's Broadway subway |url=https://globalnews.ca/news/7190683/bc-government-construction-consortium-broadview-subway/ |access-date=July 18, 2020 |website=globalnews.ca}}</ref> Demolition of buildings, to make room for station entrances and construction staging areas, began in February 2021.<ref>{{Cite web |last=Chan |first=Kenneth |date=February 2, 2021 |title=Demolition begins ahead of Broadway Subway's major construction work |url=https://dailyhive.com/vancouver/broadway-subway-demolition-work-february-2021 |access-date=August 18, 2022 |website=Daily Hive}}</ref>

Major construction on the extension began on May 13, 2021.<ref name="dh-underway" /><ref name="bcgov-major">{{Cite web |date=May 13, 2021 |title=Broadway Subway Project reaches major construction phase |url=https://news.gov.bc.ca/releases/2021TRAN0065-000906 |access-date=April 27, 2022 |website=BC Gov News {{!}} Transportation and Infrastructure}}</ref> "Traffic decks" began to be installed over Mount Pleasant, Broadway–City Hall, Oak–VGH, South Granville, and Arbutus stations, to avoid closing Broadway while station construction takes place underneath. Construction of the elevated guideway at the eastern end of the extension began on December 13, 2021. This {{convert|700|m|ft|-long|adj=mid}} guideway is the only above-ground portion of the extension and connects the existing [[VCC–Clark station]] to a tunnel portal adjacent to the [[Emily Carr University of Art and Design]].<ref>{{Cite web |last=Chan |first=Kenneth |date=December 13, 2021 |title=Construction begins on Broadway Subway's elevated track |url=https://dailyhive.com/vancouver/broadway-subway-skytrain-elevated-guideway-construction |access-date=August 18, 2022 |website=Daily Hive}}</ref> 

The [[tunnel boring machine]]s for the project were delivered to Vancouver between April and June 2022. Two identical machines, each {{convert|6|m}} in diameter and {{convert|150|m}} in length, would dig about {{convert|18|m}} of tunnel per day, at a depth of {{convert|15|to|20|m}} below the surface.<ref>{{Cite web |last=Little |first=Simon |date=April 23, 2022 |title=Broadway subway: Tunneling to start this summer as machine parts arrive in Vancouver |url=https://globalnews.ca/news/8781289/broadway-subway-tunneling-equipment/ |access-date=August 18, 2022 |website=[[Global News]]}}</ref><ref>{{Cite web |last=Menteth |first=Thames |date=June 16, 2022 |title=Final TBM parts arrive for Vancouver's Broadway Subway |url=https://www.geplus.co.uk/news/final-tbm-parts-arrive-for-vancouvers-broadway-subway-16-06-2022/ |access-date=August 18, 2022 |website=Ground Engineering}}</ref> The two machines were named Elsie and Phyllis, honouring two influential Vancouver residents: [[Aerospace engineering|aeronautical engineer]] [[Elsie MacGill]] and [[Mountaineering|mountaineer]] [[Phyllis Munday]]. Elsie began tunnelling the eastbound tunnel from [[Great Northern Way–Emily Carr station]] in October 2022, with Phyllis beginning work on the westbound tunnel in late November. Both machines had reached Broadway–City Hall station by May 26, 2023,<ref>{{Cite web |last=Chan |first=Kenneth |date=May 26, 2023 |title=New subway's second tunnel-boring machine reaches Broadway-City Hall Station |url=https://dailyhive.com/vancouver/skytrain-millennium-line-broadway-city-hall-station-phyllis-tunnel-boring |access-date=October 6, 2023 |website=Daily Hive}}</ref><ref>{{Cite web |last=Rush |first=Jim |date=May 30, 2023 |title=Second TBM Breaks Through at Vancouver's Broadway-City Hall Station |url=https://tunnelingonline.com/second-tbm-breaks-through-at-vancouvers-broadway-city-hall-station/ |access-date=October 6, 2023 |website=Tunnel Business Magazine}}</ref> and [[South Granville station]] by February 8, 2024.<ref>{{Cite web |last=Chan |first=Kenneth |date=February 10, 2024 |title=Second tunnel boring machine for Broadway Subway reaches South Granville Station |url=https://dailyhive.com/vancouver/elsie-tunnel-boring-machine-broadway-subway-south-granville-station-skytrain |access-date=February 11, 2024 |website=Daily Hive}}</ref> Phyllis completed boring at [[Arbutus station]] on March 20, 2024, and the tunnel boring phase was fully completed when Elsie reached Arbutus on April 26, 2024.<ref>{{Cite web |last=Chan |first=Kenneth |date=April 29, 2024 |title=Breakthrough! Tunnel boring for Broadway Subway reaches full completion |url=https://dailyhive.com/vancouver/broadway-subway-skytrain-millennium-line-tunnel-boring-complete |access-date=May 1, 2024 |website=Daily Hive}}</ref>