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TBM Wanda Completes Drilling of the Albvorland Tunnel
CONFIRMED75% CONFIDENCE6.9 years agoImplenia's[4] own project news release dates the southern tube breakthrough to 29 October 2019.Tunnel boring machine Wanda finished excavating the southern tube of the Albvorland Tunnel, the last major breakthrough on Deutsche Bahn's Stuttgart-Ulm high-speed line. The 8-kilometer twin-tube tunnel near Wendlingen am Neckar was built by Implenia and cuts travel time between Stuttgart and Ulm to roughly 30 minutes.0.70Silvertown Tunnel Opens Under the Thames
CONFIRMED90% CONFIDENCE1.5 years agoHappened as dated, per the source[1]: "The Silvertown Tunnel will open on 7 April 2025, as confirmed by TfL[2]."Transport for London opened the Silvertown Tunnel, a new road crossing under the Thames built to relieve the perennially congested Blackwall Tunnel a few hundred metres away.$2.8B0.70Trunk Road T2 and the Cha Kwo Ling Tunnel Complete Route 6
ESTIMATED50% CONFIDENCEin 99 daysThe project's own CEDD site gives a completion date of "2026" for both the main construction contract and the traffic control system contract, a year rather than a day.[1]CEDD's 3.4 km dual two-lane Trunk Road T2, of which about 3.1 km is tunnel, links the Central Kowloon Bypass at Kai Tak to the Tseung Kwan O-Lam Tin Tunnel, commissioning Route 6 in full as an east-west express link between West Kowloon and Tseung Kwan O. The main construction contract alone is worth HK$10.918 billion.0.69Auckland 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$5.5B0.69Second Avenue Subway Phase 2 Breaks Ground in East Harlem
125th Street and Second Avenue, East Harlem, New York, NY 10035Metropolitan Transportation Authority
CONFIRMED90% CONFIDENCE107 days agoHappened as dated: the announcement of 8 June 2026 is headed "Governor Hochul Celebrates Groundbreaking for Major Construction Stage of Second Avenue Subway Phase 2 Project".[1]The MTA started the major construction stage of the 1.5-mile extension that carries the Q from 96th Street to Harlem-125th Street, with new stations at 106th, 116th and 125th Streets. A tunnel boring machine goes underground in early 2027 and trains are due in 2032.$7B0.68All 41 Workers Freed After Silkyara Tunnel Collapse
Silkyara, Uttarkashi, Uttarakhand, India
CONFIRMED89% CONFIDENCE2.8 years agoHappened as dated, per the source[1]: "the rescue team finally managed to break through the 60-meter blockage and free all the 41 workers."Rescuers freed all 41 workers trapped for 17 days after a Himalayan highway tunnel collapsed in Uttarakhand, India, in one of the largest tunnel rescue operations on record.0.67Réunion's Nouvelle Route du Littoral Set for Full Completion
Nouvelle Route du Littoral, La Grande Chaloupe, Saint-Denis, La Réunion, France
ESTIMATED67% CONFIDENCEin 3.8 yearsThe route has already been delayed for years by court rulings, redesigns and rework, so this remains a target rather than a firm date. Given as scheduled, per the source[1]: "for a complete opening mid-2030."The final offshore-viaduct section of Réunion's storm-battered coastal highway replacement, plagued by quarry bans and redesigns, is now due to fully open by mid-2030.0.67HS2 London to Birmingham Opens
ESTIMATED66% CONFIDENCEin 9.6 yearsGiven as a target, not a fixed date, per the pin description: "…after cancellations and cost overruns. Estimated date.…"Britain's second high-speed line, cut back to a single Phase 1 route after cancellations and cost overruns. Estimated date.£95.2B0.66Second Avenue Subway Phase 2 Opens
ESTIMATED69% CONFIDENCEin 6.2 yearsGiven as a target, not a fixed date, per the pin description: "…tury after the line was first proposed. Estimated date.…"The Q train extends north to 125th Street in East Harlem, a century after the line was first proposed. Estimated date.$17B0.66Mumbai's Sewri-Worli Elevated Connector Opens to Traffic
DELAYED5 months late40% CONFIDENCEin 158 daysThe report says "The project is now expected to be completed in January or February 2027", a span recorded here at its last day.[1]The 4.5 km four-lane elevated road ties the Mumbai Trans Harbour Link at Sewri to the Bandra-Worli Sea Link and the Coastal Road at Worli, crossing the Central and Western Railway lines near Prabhadevi on a double-decker structure whose lower deck replaces the 112-year-old Elphinstone road over bridge, closed to traffic in September 2025.0.66Construction Begins on New York's Hudson River Rail Tunnel
North River Tunnel, Weehawken, New Jersey
CONFIRMED89% CONFIDENCE2.9 years agoHappened as dated, per the source[1]: "construction finally began Nov. 3 on the Hudson River Tunnel portion of the Gateway Program[2]".Crews broke ground on the Hudson Tunnel Project, a new rail tunnel meant to relieve the century-old, storm-damaged North River Tunnel beneath the Hudson River.0.65Stockholm'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.$4.5B0.65
