The world's longest metro and subway systems - Railway Technology
The 10 largest metro systems in the world
Erick's List: Moscow Metro — RTD
Shanghai Metro - World's largest Metro system, as of 23 January 2021 : r/TransitDiagrams
Study shows subway systems develop in remarkably similar ways
MGBS station to be one of the biggest Metro stations in Asia | Hyderabad News - Times of India
Top 15 largest metropolitan areas in the United States (1900 - 2021) - YouTube
Which cities in the world have a metro or subway? | Spotted by Locals blog
The top 10 busiest metro systems in the world - Intelligent Transport
Rafael H. M. Pereira 🚡 Urban Demographics on Twitter: "@4th_turning @simongerman600 @tokyobybike @historylvrsclub I know, I said "largest metro" as in the largest metropolitan area. 140 characters can bring confusion sometimes" / Twitter
50 Largest Metropolitan Areas in the United States (v2) : r/MapPorn
Population Living in Largest Metro Area in Europe – Landgeist
10 Most Extensive Metro Systems In The World 2023 - WOW Travel
These are the 10 busiest metros in the world | World Economic Forum
Mini Metro's First Big Update of 2022 Adds the Nanjing Map, New Achievements, and More – TouchArcade
Largest 50 Metros
Riding the UK's 2nd-Biggest Metro, Which Includes Ferry Trips: Photos
Metro's biggest SafeTrack surge hits the Red Line this week, affecting 200,000 trips daily - The Washington Post
Shenzhen Plans World's Largest Metro System – Thatsmags.com
11 Largest Metro Systems In The World - Leads 2 Business Blog
Percentage of state's Population Living in its Largest Metro Area – Landgeist
What are the biggest and most amazing metro systems in the world? - Quora
Decoding the urban sprawl: the world's most complex metro maps
Top 100 Longest Metro (Subway) Systems Comparison (2019) - YouTube
The 10 largest metro systems in the world
Metro Maps of World Cities
Mini Metro Review – GameSpew
