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Mont Cenis Base Tunnel Opens
SCHEDULED84% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source[1]: the base tunnel "is expected to be commissioned by the end of 2033"; telt.eu[2] confirms "La date d'achèvement est prévue en 2033", a year later than the earlier 2032 target.At 57.5 km, the Mont Cenis Base Tunnel will be the world's longest rail tunnel, carrying the new Lyon–Turin railway under the Alps between Saint-Jean-de-Maurienne, France, and Susa, Italy.€11.1B0.72Second Gotthard Road Tunnel Due to Complete
SCHEDULED76% CONFIDENCEin 4.3 yearsA mid-2025 setback added cost and rework but the project team says it is still on schedule. Given as scheduled, per the source[1]: "It is due to be completed in 2030."Switzerland's second bore under the Gotthard Pass, approved by referendum in 2016 to let the original 1980 tunnel close for renovation without cutting off the A2, is on track to finish by 2030.$2.7B0.72BQE Rebuild Pushed Back to a 2030 Start
Brooklyn Heights Promenade, Brooklyn, New York, USA
DELAYED70% CONFIDENCEin 4.3 yearsStreetsblog's[3] report of 24 August 2026 on the new mayoral plan - 'Construction will start in 2030, wrap up in 2040', a 10-year $4 billion rebuild - is newer than the NYC[2] DOT project page's 2029 start, which is where the pin's earlier date came from. No day is given, so it is dated to the last day of 2030.New York's plan to rebuild the crumbling triple-cantilever section of the Brooklyn-Queens Expressway now targets a 2030 construction start after yet another mayoral reset.0.69Stockholm's Förbifart Bypass Tunnel Now Targets 2030
DELAYED12 years late67% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source[1]: "As of the end of 2019, the expected completion time is 14 years, year 2030".Sweden's roughly $4.5BN Förbifart Stockholm bypass tunnel, originally due in 2018, is now expected to open by 2030 after more than a decade of delays.$4.5B0.69Antwerp's Oosterweel Ring Road Targets 2030
ESTIMATED66% CONFIDENCEin 4.3 yearsA target, per the source[1]: "there's still a lot to do to reach the 2030 target for completion."Belgium's €10BN Oosterweel project is finally closing the long-unfinished Antwerp Ring Road, using sunken river tunnels and a route built inside an existing canal to cut chronic traffic delays.€7B0.67Stad Ship Tunnel Construction Pushed to Early 2027
Stadlandet, Norway
DELAYED3 years late64% CONFIDENCEin 100 daysGiven as scheduled, per the source[1]: "the aim of starting construction in the beginning of 2027."Norway's plan to blast the world's first full-scale ship tunnel through the Stad peninsula has cleared its funding hurdles, with construction now set to begin in early 2027.kr 8.6B0.67Thailand-China Railway's First Phase Pushed to 2030
Nakhon Ratchasima, Thailand
DELAYED4 years late66% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source[1]: "Thailand targets 2030 completion of first phase of high-speed rail link to China".The Bangkok-to-Nakhon Ratchasima leg of Thailand's high-speed rail link to China, once due by 2026, is now targeted for 2030 after years of delays.0.67Auckland City Rail Link Opens
Auckland, New Zealand
SCHEDULED81% CONFIDENCEin 39 daysGiven as scheduled, per en.wikipedia.org[1]: "…kland Transport and KiwiRail.[13] It is scheduled to open on 13 September 2026.[14] Initial proposal…"Twin 3.45 km tunnels turning Britomart from a dead-end terminus into a through station, doubling rail capacity. Estimated date.NZ$5.5B0.66Brenner Base Tunnel Opens
Brenner Pass, Austria
SCHEDULED75% CONFIDENCEin 5.7 yearsGiven as scheduled, per en.wikipedia.org[1]: "…ns by the European Union. The tunnel is scheduled to be completed in 2032.[4][5] The Brenner Pass, i…"At 55 km, with the Innsbruck bypass it forms the world's longest underground rail link, boring beneath the Alps between Austria and Italy. Estimated date.€8.4B0.66NEOM Halts Construction on Saudi Arabia's The Line Until After 2030
CONFIRMED87% CONFIDENCE124 days agoHappened as dated, per the source[1]: "Saudi's NEOM halts work on The Line until after 2030."Saudi Arabia's NEOM authority paused further construction on The Line, its 170km linear megacity, until after 2030 amid a sweeping scale-back of the project's ambitions.0.65Brisbane's Cross River Rail Now Targets 2029 Opening
Woolloongabba Station, Brisbane, Queensland, Australia
DELAYED5 years late66% CONFIDENCEin 3.3 yearsFirst passenger services were originally expected around 2024-2026; Queensland's own Cross River Rail authority now targets 2029, after cost estimates grew from the promoted $6.3BN toward $19BN.[1]Brisbane's Cross River Rail, a new underground rail line meant to double the city's river crossing capacity ahead of the 2032 Olympics, has slipped to a 2029 opening.A$19B0.65Germany Launches Its Biggest Rail Overhaul in Decades
ESTIMATED68% CONFIDENCEin 4.3 yearsA target, per the source[1]: DB plans "to tackle at least two additional corridors per year until 2030," completing the programme's full rollout by then.Germany announced a multi-billion-euro Generalsanierung programme to fully close and rebuild more than 40 of its busiest rail corridors, aiming to fix decades of underfunded, overloaded infrastructure by 2030.0.65
