Start year

Platform Length
(Meters)

Cost/km
(Millions)

Real cost (2025 dollars)

Cost/km (2025 dollars)

Phase 3 (Red Line Extension/Route 2020)

https://www.railway-technology.com/projects/route-2020-dubai/

https://tn.com.ar/economia/el-gobierno-relanzo-el-rer-el-proyecto-para-conectar-los-trenes-del-area-metropolitana_856411

https://www.wien.gv.at/stadtentwicklung/projekte/verkehrsplanung/u-bahn/u1-oberlaa.html

https://www.audit.vic.gov.au/report/melbourne-metro-tunnel-project-phase-2-main-works?section=

https://www.forrestfieldairportlink.wa.gov.au/Portals/14/Project%20Overview%20Fact%20Sheet%20-%20Dec18%20WEB.pdf

https://www.transport.nsw.gov.au/news-and-events/media-releases/sydney-metro-northwest-under-budget

https://www.abc.net.au/news/2020-02-21/nsw-government-confirms-three-billion-metro-budget-blowout/11986968

https://www.thedailystar.net/news/bangladesh/transport/news/metro-now-set-cost-50pc-more-3072816

https://bdnews24.com/economy/2019/10/15/govt-approves-two-more-metro-rail-projects-worth-tk-938bn

https://bdnews24.com/economy/2019/10/15/govt-approves-two-more-metro-rail-projects-worth-tk-938bn

https://www.thebulletin.be/brussels-metro-line-3-project-could-be-delayed-or-suspended

https://www.railway-technology.com/uncategorised/newsbulgaria-opens-sofia-metro-line-2/

https://www.novinite.com/articles/168384/Subway+Extension+to+Business+Park+Sofia+Opens

https://seenews.com/news/sofia-subway-launches-13-km-section-with-one-station-533330

https://seenews.com/news/sofia-opens-1125-mln-euro-tender-for-subway-expansion-681553

https://www.novinite.com/articles/167648/Subway+Trains+to+Sofia+Airport+Start+Running+at+1+pm+on+April+2

https://www.urbantransportnews.com/bahrain-to-finalise-109-km-light-metro-rail-bids-in-march-2020/

Rio de Janeiro

http://itdpbrasil.org.br/wp-content/uploads/2018/05/ITDP_PP_Linha_4_Maio_2018.pdf

http://patrocinados.estadao.com.br/ccr/salvadors-subway-becomes-a-model-of-success/

https://www.yicaiglobal.com/news/byd-design-for-usd689-million-brazil-monorail-gets-green-light

https://www.bnamericas.com/en/news/brazil-metro-cost-overruns-top-us9bn1

https://www.railjournal.com/in_depth/21-rail-projects-to-watch-in-2021

https://www.railjournal.com/passenger/metros/revival-of-sao-paulo-metro-line-6-orange-project-a-step-closer/

https://globalnews.ca/news/7527443/green-line-lrt-calgary-alberta-government/

https://edmontonjournal.com/news/local-news/long-delayed-1-8-billion-valley-line-lrt-stymied-yet-again

https://www.edmonton.ca/projects_plans/transit/nw-lrt
https://tam-america.com/article/edmonton-metro-northwest-lrt-extension-phase-completed-on-budget-before-time#:~:text=Phase%201%20construction%20was%20originally,million%20(US%24215%20million).

https://majorprojects.alberta.ca/details/Valley-Line-West-LRT/3692
https://www.operis.com/case-study/edmonton-valley-line-west/

https://www.metrolinx.com/en/projects-and-programs/hamilton-lrt
https://canada.constructconnect.com/dcn/news/infrastructure/2024/11/request-for-qualifications-issued-for-hamilton-lrt-project

https://www.metrolinx.com/en/projects-and-programs/hazel-mccallion-lrt/faqs

https://montrealgazette.com/news/local-news/the-sleepy-success-story-of-the-laval-metro-extension

https://montrealgazette.com/news/local-news/montreal-metro-green-light-for-blue-line-extension
https://www.cbc.ca/news/canada/montreal/blue-line-extension-delayed-1.7303767

https://www.cbc.ca/news/canada/montreal/public-transit-project-announcement-eastern-montreal-1.7475018
https://www.artm.quebec/wp-content/uploads/2024/05/RP_PSE_AC_VFinale_2024-05-28.pdf

https://scfp.ca/sites/default/files/ppp201700191_ppp_canada_rem_01_01_2016_part2-opt_0.pdf
https://montreal.citynews.ca/2024/11/20/quebec-educational-gap-indigenous-students-auditor-general-report/

https://www.kiewit.com/projects/ottawa-lrt-stage-2/
https://pub-ottawa.escribemeetings.com/filestream.ashx?documentid=58389
https://delveunderground.com/projects/ottawa-light-rail-transit-stages-1-and-2

https://www.renewcanada.net/ottawa-proceeding-with-4-67-billion-stage-2-lrt/
https://www.atkinsrealis.com/en/projects/o-train-extension

https://www.theglobeandmail.com/news/toronto/sheppard-subway-extension-a-quarter-the-stops-for-three-times-the-cost/article622366/

https://www.thestar.com/news/gta/transportation/2017/12/15/trudeau-wynne-tory-on-hand-to-cut-ribbon-on-32-billion-subway-extension.html

https://www.cbc.ca/news/canada/toronto/eglinton-crosstown-opening-june-ttc-1.7400691#:~:text=Construction%20began%20in%202011%2C%20when,to%20at%20least%20%2412.8%20billion.

https://www.infrastructureontario.ca/en/what-we-do/projectssearch/finch-west-light-rail-transit/

https://www.ctvnews.ca/toronto/article/scarborough-extension-cost-now-102-billion-nearly-double-2019-estimate/

https://www.thestar.com/news/gta/2020/06/24/metrolinx-considering-a-route-for-the-yonge-subway-extension-to-richmond-hill-that-would-take-it-above-ground.html

https://assets.metrolinx.com/image/upload/v1770670806/Documents/corporate/Item_10.2_-_CPG_Rapid_Transit_Update_-_FINAL_ENG_Mx.pdf

https://www.cp24.com/politics/queens-park/2026/08/12/ontario-line-costs-reach-34b-more-than-triple-the-original-budget/

https://web.archive.org/web/20181110080355/https://www.translink.ca/-/media/Documents/about_translink/corporate_overview/corporate_reports/history/translink_history_nov_2008.pdf

https://vancouversun.com/news/local-news/by-the-numbers-canada-line-turns-10

https://www.translink.ca/Plans-and-Projects/Rapid-Transit-Projects/Broadway-Subway-Project.aspx
https://www2.gov.bc.ca/assets/gov/british-columbians-our-governments/government-finances/quarterly-reports/fall-2024-economic-fiscal-update.pdf

https://www.infrastructurebc.com/project/surrey-langley-skytrain-project-sls-project/

https://www.ceva.ch/2017/05/11/financement-et-organisation/?b=https://www.ceva.ch/category/projet

https://archive.wikiwix.com/cache/index2.php?url=http%3A%2F%2Fwww.publidoc.vd.ch%2FguestDownload%2Fdirect%2FTexte%2520adopt%25C3%25A9%2520par%2520CE.pdf%3Fpath%3D%2FCompany%2520Home%2FVD%2FCHANC%2FSIEL%2Fantilope%2Fobjet%2FCEGC%2FExpos%25C3%25A9%2520des%2520motifs%2F2002%2F05%2F174061_34_Texte%2520adopt%25C3%25A9%2520par%2520CE_20020604_234589.pdf%2Findex.html#federation=archive.wikiwix.com&tab=url

https://www.luzernerzeitung.ch/zentralschweiz/luzern/seetalplatz-und-zentralbahn-60-millionen-guenstiger-als-budgetiert-ld.1150224

https://www.railwaygazette.com/infrastructure/cross-city-tunnel-opening-increases-capacity-in-zurich/39619.article

https://www.metro.cl/files/documentos/metro-investor-201709.pdf

https://www.railwaygazette.com/projects-and-planning/santiago-tenders-line-7-construction/56621.article

https://baike.baidu.com/item/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%811%E5%8F%B7%E7%BA%BF/7646800?fromtitle=%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%81%E4%B8%80%E5%8F%B7%E7%BA%BF&fromid=5427835&fr=aladdin

http://www.wikiwand.com/zh-sg/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%8113%E5%8F%B7%E7%BA%BF

http://finance.sina.com.cn/b/20040419/0854725033.shtml

http://news.sciencenet.cn/sbhtmlnews/2008/8/209799.html

http://news.sciencenet.cn/sbhtmlnews/2008/8/209799.html

https://www.360kuai.com/pc/9fb76b182add530db?cota=4&kuai_so=1&tj_url=so_rec&sign=360_7bc3b157; http://itdzs.org/OnLineMagazine/PDFView.aspx?ID=4

http://zizhan.mot.gov.cn/zhuantizhuanlan/qita/quanqiuhuanjingjijin/zhishigongxiang/201601/P020160125565596507649.pdf

http://www.mtr.bj.cn/article/5d510c0aebb1a36f5ef5981f.html

https://zh.wikipedia.org/wiki/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%818%E5%8F%B7%E7%BA%BF#%E4%BA%8C%E6%9C%9F%E5%B7%A5%E7%A8%8B

https://zh.wikipedia.org/wiki/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%8110%E5%8F%B7%E7%BA%BF#%E4%BA%8C%E6%9C%9F%E5%B7%A5%E7%A8%8B

http://zqb.cyol.com/html/2012-12/31/nw.D110000zgqnb_20121231_3-06.htm

https://max.book118.com/html/2017/1209/143431974.shtm

https://zh.wikipedia.org/wiki/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%818%E5%8F%B7%E7%BA%BF

https://www.chinanews.com/gn/2014/07-06/6354869.shtml

http://politics.people.com.cn/n/2014/1105/c70731-25980932.html

http://www.mtr.bj.cn/article/5d510c13ebb1a36f5ef598dd.html; https://baike.baidu.com/item/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%8114%E5%8F%B7%E7%BA%BF#reference-[2]-1443669-wrap

https://www.bjsubway.com/news/ghjs/2013-12-30/1316.html

https://zh.wikipedia.org/wiki/%E5%8C%97%E4%BA%AC%E5%9C%B0%E9%93%818%E5%8F%B7%E7%BA%BF#%E4%B8%89%E6%9C%9F%E5%8F%8A%E5%9B%9B%E6%9C%9F%E5%B7%A5%E7%A8%8B

http://www.tzxm.gov.cn/flfg/law/201912/t20191220_12825.html

Capital Airport Express west extenion

https://new.qq.com/omn/20210301/20210301A0E4JW00.html

https://zh.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

Line 25 Phase 2 (Fangshan Northern Extension)

https://zh.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

http://www.bjnews.com.cn/news/2016/11/25/424943.html; https://baijiahao.baidu.com/s?id=1633332748114018963&wfr=spider&for=pc

http://www.gov.cn/xinwen/2018-02/18/content_5267552.htm; https://zh.m.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

https://zh.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

https://zh.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

http://www.tzxm.gov.cn/flfg/law/201912/t20191220_12825.html; https://new.qq.com/rain/a/20200812A0UGAJ00

Line 27 Phase 2 (Changping Southern Extension)

https://zh.wikisource.org/zh-hans/%E5%8C%97%E4%BA%AC%E5%B8%82%E5%9F%8E%E5%B8%82%E8%BD%A8%E9%81%93%E4%BA%A4%E9%80%9A%E7%AC%AC%E4%BA%8C%E6%9C%9F%E5%BB%BA%E8%AE%BE%E8%A7%84%E5%88%92%EF%BC%882015%EF%BD%9E2021%E5%B9%B4%EF%BC%89

https://www.bjsubway.com/news/ghjs/2013-12-30/1316.html

http://www.tzxm.gov.cn/flfg/law/201912/t20191220_12825.html; https://baijiahao.baidu.com/s?id=1636643464335769195&wfr=spider&for=pc

http://www.tzxm.gov.cn/flfg/law/201912/t20191220_12825.html

http://www.tzxm.gov.cn/flfg/law/201912/t20191220_12825.html