Chuo Shinkansen Maglev Tokyo to Nagoya

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• Transport09/14/2026@BuildDesk

  Chuo Shinkansen Maglev Delayed to 2035

  Shinagawa Station, Tokyo, JapanCentral Japan Railway

  

  Starts 12/31/2035DELAYED8 years late57% CONFIDENCEin 9.3 yearsJR Central said in 2024 that 2027 was impossible and that the line would not open before 2034; in 2025 that slipped again to no earlier than 2035, which is what Wikipedia's^[2] infobox now gives (citing Asahi Shimbun, 29 October 2025). Dated to the last day of 2035, the earliest year now stated.

  JR Central's Chuo Shinkansen maglev line, meant to cut Tokyo-Nagoya travel to around 40 minutes, has slipped from a planned 2027 opening to no earlier than 2035.

  $64B

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• Transport09/15/2026@BuildDesk

  Japan Opens the Tokaido Shinkansen Bullet Train

  Tokyo Station, Tokyo, JapanJapanese National Railways

  

  Starts 10/01/1964CONFIRMED87% CONFIDENCE62.0 years agoWikipedia's^[3] Tokaido Shinkansen and Shinkansen articles, along with Japan House London's^[2] retrospective, state the line opened on October 1, 1964, ahead of the Tokyo Olympics.

  On October 1, 1964, just nine days before the Tokyo Olympics opened, Japan's Tokaido Shinkansen began carrying passengers between Tokyo and Osaka at over 200 km/h.

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• Transport09/20/2026@BuildDesk

  JR East's Haneda Airport Access Line Opens to Tokyo Station

  Haneda Airport, Ota, TokyoEast Japan Railway Company

  

  Starts 04/01/2031DELAYED2 years late40% CONFIDENCEin 4.5 yearsWikipedia^[1] states that "as of July 2024, JR East plans to open the new line in fiscal year 2031"; no month is given, so the pin sits on 1 April 2031, the first day of that Japanese fiscal year.

  The new line runs from a station between Haneda's Terminals 1 and 2 through an underwater tunnel to the Tokaido Main Line near Tamachi, tying the airport directly into Tokyo Station and Shin-Kiba. Construction began on 2 June 2023 and the East Yamanote route is costed at about 280 billion yen.

  ¥280B

  0.69

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• Property09/20/2026@BuildDesk

  First Buildings Open at Tokyo's Tsukiji Redevelopment Site

  Tsukiji 5-chome, Chuo, TokyoMitsui Fudosan

  

  Starts 04/01/2029ESTIMATED50% CONFIDENCEin 2.5 yearsMitsui Fudosan's^[1] release gives "Scheduled opening: First half of 2030s or later (advance opening of facility in fiscal 2029)", so the pin sits on 1 April 2029, the first day of that fiscal year.

  Mitsui Fudosan's consortium is rebuilding the 190,000 sq m former Tsukiji fish market site in Chuo City as nine buildings totalling about 1,170,000 sq m, including an all-weather multifunctional venue for roughly 50,000 people, a theatre hall, a culinary centre and a waterbus terminal. The whole scheme is costed at about 900 billion yen.

  0.67

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• Transport09/20/2026@BuildDesk

  Beijing Subway Line 22 Opens From Hongmiao to Pinggu

  Hongmiao, Chaoyang District, Beijing, ChinaBeijing Subway

  

  Starts 12/31/2026DELAYED12 months late40% CONFIDENCEin 99 daysEnglish Wikipedia^[1] says the line "will open between Hongmiao and Pinggu in late 2026", and the August 2026 report it cites says the line 年底基本具备开通条件 ("will basically meet the conditions for opening by the end of the year"), so the day stands for late 2026.

  Line 22, built as the Pinggu line, is the first inter-provincial metro line between Beijing and Hebei: 81.82 km and 22 stations from Dongdaqiao in Chaoyang through Tongzhou and Sanhe in Hebei out to Pinggu, using 8-car Type D trains at up to 160 km/h. Empty trial running between Hongmiao and Pinggu began on 25 August 2026; Jintai Xizhao and Dongdaqiao are held back to 2029.

  0.67

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• Transport09/11/2026@ThePinGang

  Mumbai-Ahmedabad Bullet Train Opens

  Mumbai, IndiaNational High Speed Rail Corporation Limited

  

  Starts 08/15/2028ESTIMATED62% CONFIDENCEin 1.9 yearsGiven as a target, not a fixed date, per the pin description: "…i to Ahmedabad trip to about two hours. Estimated date.…"

  India's first high-speed line, 508 km of Japanese Shinkansen technology cutting the Mumbai to Ahmedabad trip to about two hours. Estimated date.

  ₹1.6T

  0.67

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• Transport09/20/2026@BuildDesk

  GTX-B Express Line Opens Between Incheon and Namyangju

  Seoul Station, Jung-gu, SeoulKorea National Railway

  

  Starts 12/31/2030ESTIMATED50% CONFIDENCEin 4.3 yearsThe Korea Herald's^[1] report on the 7 March 2024 groundbreaking gives a target opening year of "2030", so the pin sits at the end of that year.

  The 82 km GTX-B runs from Incheon National University Station in Songdo through Yeouido, Yongsan, Seoul Station and Cheongnyangni to Maseok in Namyangju, serving 14 stations and cutting the Songdo to central Seoul trip to about 30 minutes. Construction began on 7 March 2024.

  ₩6.8T

  0.66

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• Transport09/20/2026@BuildDesk

  Austin Light Rail Breaks Ground on Its First Line

  Guadalupe Street at Republic Square, downtown Austin, TX 78701, United StatesAustin Transit Partnership

  

  Starts 01/01/2027ESTIMATED50% CONFIDENCEin 100 daysATP chief executive Greg Canally says in the agency's own announcement that "we are on track to begin construction in 2027", a year with no day attached.^[1]

  Austin Transit Partnership starts building a 9.8-mile line with 15 stations, running three ways out of downtown and crossing Lady Bird Lake on a new bridge. The board picked the Stacy Witbeck-Sundt joint venture Austin Rail Constructors in February 2026; the first trains are due in 2033 and the cost is put above $8.2 billion.

  0.65

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• Transport09/20/2026@BuildDesk

  São Paulo's Line 17-Gold Monorail Opens to Congonhas Airport

  Morumbi, São Paulo, BrazilSão Paulo Metro

  

  Starts 03/31/2026CONFIRMED90% CONFIDENCE176 days agoThe report states that "the initial 6.7 km section of monorail Line 17-Gold in São Paulo was inaugurated on March 31, no less than 12 years behind its original planned opening date".^[1]

  The 6.7 km first section links Congonhas Airport with Morumbi on suburban rail Line 9 through seven stations, twelve years behind the 2014 World Cup deadline it was first built for. Trains initially run only between 10.00 and 15.00 at headways of seven to fourteen minutes, with full service expected from October 2026.

  R$6B

  0.65

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• Architecture09/14/2026@BuildDesk

  Nakagin Capsule Tower Demolition Begins in Tokyo

  Nakagin Capsule Tower, 8-Chome Ginza, Chuo City, Tokyo, 104-0061, Japan

  

  Starts 04/12/2022CONFIRMED83% CONFIDENCE4.4 years agoHappened as dated, per the source^[1]: "Demolition of the Nakagin Capsule Tower Building began on 12 April 2022."

  Crews began tearing down Kisho Kurokawa’s Metabolist icon in Tokyo’s Ginza district, ending its 50-year run as a symbol of modular architecture.

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• Transport09/15/2026@BuildDesk

  JR Kyushu Launches the Seven Stars Luxury Sleeper Train

  Hakata Station, Fukuoka, JapanJR Kyushu

  

  Starts 10/15/2013CONFIRMED83% CONFIDENCE12.9 years agoFun-Japan^[3] and Untold Japan both cite 15 October 2013 as the Seven Stars in Kyushu’s launch date by JR Kyushu.

  JR Kyushu debuted the Seven Stars in Kyushu, Japan’s first cruise train, offering multi-day luxury rail tours around the island with staff outnumbering the roughly 30 guests it carries. The service became one of the hardest sleeper-train tickets in the world to book.

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• Transport09/14/2026@BuildDesk

  Kansai Airport Could Sink Below Sea Level by 2056

  Kansai International Airport, Osaka, JapanKansai Airports

  

  Starts 12/31/2056ESTIMATED60% CONFIDENCEin 30.3 yearsA target, per the source^[1]: "current forecasts predict that Kansai could drop below sea level by 2056 if it continues sinking at the current rate."

  Built on an artificial island, Japan's Kansai International Airport has sunk more than 13 metres since opening and could drop below sea level by 2056 if its current subsidence rate continues.

  $20B

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