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São Paulo Metro's Line 2-Green Set to Reach Penha in 2028
ESTIMATED50% CONFIDENCEin 2.3 yearsThe report says the second phase from Vila Formosa to Penha has "service expected to begin in 2028", a year rather than a fixed day.[1]The 8.3 km eastern extension adds eight stations from Vila Prudente out to Penha and will make Line 2-Green the network's longest at 23 km. The first four stations, Orfanato, Santa Clara, Anália Franco and Vila Formosa, are due in 2027, and the São Paulo state government puts the whole extension at R$15 billion.0.62Paris Métro Opens Its First Line
CONFIRMED85% CONFIDENCE126.2 years agoRATP's[3] own history page and EarthSky's[2] science-history article both give 19 July 1900 as the inauguration date of the first métro line.The Paris Métro's first line opened to the public on 19 July 1900, running between Porte Maillot and Château de Vincennes.0.62Etihad Rail Launches First UAE Passenger Trains
CONFIRMED83% CONFIDENCE85 days agoHappened as dated, per the source[1]: "the first phase of its passenger train services will begin on June 30".Etihad Rail began passenger service in the UAE, launching an introductory Abu Dhabi-to-Fujairah route ahead of its full national network opening.$11B0.62Thessaloniki Metro Line 1 Opens After Decades of Delay
Venizelou Metro Station, Thessaloniki, Greece
CONFIRMED90% CONFIDENCE1.8 years agoHappened as dated, per the source[1]: "was officially opened on Saturday by Prime Minister Kyriakos Mitsotakis."Greece's Thessaloniki Metro Line 1 opened to the public, a driverless 9.6km line whose stations doubled as archaeological digs after more than 300,000 ancient artefacts were uncovered during construction.€3B0.60A Brasileira Opens in the Chiado
A Brasileira, 120/122, Rua Garrett, Chiado, Santa Maria Maior, Madalena, Lisbon, 1200-273, PortugalCafé A Brasileira
ESTIMATED75% CONFIDENCE120.7 years agoThe article states it was "Opened in 1905 by Adrian Telles" and names no month or day, so the pin takes that year's last day.[1]Adriano Telles opened A Brasileira in 1905 to sell Brazilian coffee by the sack, gave cups away to persuade Lisbon to drink it, and ended up with the café that the city's writers colonised. Fernando Pessoa sits in bronze at a table outside it.0.60Madrid–Barcelona High-Speed Line Opens, Completing Spain's Flagship AVE Corridor
CONFIRMED80% CONFIDENCE18.6 years agoWikipedia's[3] Madrid–Barcelona high-speed rail line article gives 20 February 2008 as the date the complete line opened, after the Madrid–Zaragoza–Lleida section opened in October 2003.Adif's Madrid–Barcelona high-speed line opened in full on 20 February 2008, cutting the 621km journey to about 2 hours 30 minutes and becoming the backbone of the AVE network that engineering crews are now upgrading for 350km/h running.0.60São Paulo's Line 17-Gold Monorail Opens to Congonhas Airport
CONFIRMED90% 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$6B0.59Delhi Metro's Golden Line Opens Its First Section, Tughlakabad to Sangam Vihar
DELAYED2 years late61% CONFIDENCEin 99 daysConstruction World[2], 16 September 2026, narrows the year to a month: DMRC is "targeting December 2026 for the opening of the first operational section of the Golden Line between Tughlaqabad and Sangam Vihar. The 8.4-km stretch is planned as the initial section". December is the last month of the year the pin already sat on, so the day stands at 31 December 2026 - now as the end of a named month rather than a bare year. The full Aerocity-Tughlakabad corridor follows later.The first 8.4 km section of the Phase 4 Golden Line, from Tughlakabad to Sangam Vihar, is targeted to open in December 2026; the rest of the 29.785 km Delhi Aerocity-Tughlakabad corridor, 19 stations with 12 of them underground, follows in phases. By April 2026 civil work was 78 per cent done with five tunnel boring machines still at work, and trainsets had begun arriving at the modified Sarita Vihar depot.0.58RER E Reaches Mantes-la-Jolie on Its Western Extension
DELAYED2 years late40% CONFIDENCEin 158 daysThe announcement gives a fixed date: "the RER E will begin commercial service as far as Mantes-la-Jolie on February 28, 2027".[1]Four trains an hour will run through to Mantes-la-Jolie over the 47 km of rebuilt track west of Nanterre-La Folie, where Eole's first new section opened in May 2024. The full six-trains-an-hour service is not due until the end of 2029 because of trouble installing the line's new digital signalling and switching system.0.58Bogotá Metro Line 1 Targets 2028 Opening
Bogotá, Colombia
ESTIMATED69% CONFIDENCEin 1.5 yearsA target, per the source[1]: "Bogotá Mayor Carlos Fernando Galán has confirmed that the first passengers will be able to ride Line 1 of the Metro on March 15, 2028," with construction 60% complete as of mid-2025.After more than 80 years of proposals, Bogotá's first metro line, an elevated 24km driverless railway, is targeted to carry its first passengers in 2028.$4B0.58EMEC Opens Its Billia Croo Wave Test Site Near Stromness
ESTIMATED70% CONFIDENCE23.0 years agoWikipedia's[2] European Marine Energy Centre article says construction of the Billia Croo wave test facility was completed in October 2003, without a specific day.The European Marine Energy Centre completed its Billia Croo wave energy test site off Orkney, becoming the world’s first grid-connected facility for testing wave and tidal energy converters at sea.0.58Jurong Region Line Stage 1 Opens in Singapore's West
DELAYED6 months late40% CONFIDENCEin 1.8 yearsLTA's[1] March 2026 rail factsheet says "Stage 1 of the JRL will open around mid-2028, instead of the initial end-2027 timeline", so the day here stands for mid-2028.The first stage of Singapore's fully elevated, driverless Jurong Region Line opens, serving Tengah and the western estates around Choa Chu Kang. LTA pushed the opening back by about six months after viaduct construction over the Pan-Island Expressway could only be carried out during overnight road closures, and will run interim shuttle buses from end-2027 until the line opens.0.58
