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The Millau Viaduct Opens to Traffic
CONFIRMED78% CONFIDENCE21.8 years agoHappened as dated, per the source[1]: the viaduct "was inaugurated on 14 December 2004" and "goes into service" on December 16, 2004.Norman Foster's Millau Viaduct, the tallest bridge in the world, opened over southern France's Tarn valley, completing the A75 motorway route between Paris and the Mediterranean.0.62Hamburg Port Authority Opens the Rethebrücke as Europe's Largest Rail Bascule Bridge
CONFIRMED87% CONFIDENCE8.8 years agoHamburg Port Authority's[3] press release states the Rethebrücke, Europe's largest rail bascule bridge, went into operation on 15 December 2017.Hamburg Port Authority put the new Rethebrücke rail bascule bridge into operation over the Rethe canal, replacing the original 1934 lift bridge and becoming Europe's largest rail bascule bridge.0.61Danube Valley Bridge Opens in Linz, Austria
CONFIRMED89% CONFIDENCE1.9 years agoHappened as dated, per the source[1]: "The Danube Valley Bridge and this phase of the A26 opened to the public in November 2024".Austria's motorway operator ASFINAG opened the new Danube Valley Bridge and its connecting tunnels in Linz, the world's longest earth-anchored suspension bridge, completing the first phase of the A26 Westring motorway.€305M0.59Seine-Nord Europe Canal
ESTIMATED61% CONFIDENCEin 4.3 yearsA target, per the source[1]: work continues "until 2030, when the entire Seine-Scheldt[2] network will be brought into service", though some sources put full completion closer to 2032.A €5.1BN, 107km canal connecting the Seine basin to Belgium and the Netherlands, finally under construction after being proposed for more than two decades and delayed twice by World Wars.€7B0.59Mumbai'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 2025.0.59The Houston Ship Channel's Project 11 Widening Finishes
ESTIMATED63% CONFIDENCEin 3.3 yearsPort Houston's project page describes "expediting the process to complete the work in 2029", a year rather than a day, so it sits at the end of that year.[1]Project 11 widens the channel by 170 feet along its Galveston Bay reach, from 530 to 700 feet, and deepens upstream segments to 46.5 feet so the largest container ships can pass one another. Dredging began in 2022; Port Houston finished its own segments in October 2025 and the US Army Corps of Engineers is completing the rest, with the spoil building bird islands, marsh and oyster reef.0.58Metro's D Line Subway Extension Opens Its First Three Stations
Wilshire/La Cienega station, Wilshire Blvd at La Cienega Blvd, Beverly Hills, CA 90211Los Angeles County Metropolitan Transportation Authority
CONFIRMED90% CONFIDENCE138 days agoMetro's[1] own project page says of Section 1, "This Opened on May 8, 2026."LA Metro opened Section 1 of the D Line subway extension, carrying the Wilshire Boulevard subway 3.9 miles west of Wilshire/Western to new stations at La Brea, Fairfax and La Cienega. It is the line's first extension since 1996 and the first of three sections Metro wants running before the 2028 Olympics.0.58Versova-Bandra Sea Link Completes Mumbai's Western Coastal Route
DELAYED5.5 years late40% CONFIDENCEin 2.3 yearsThe report says "The Fadnavis government is pushing for the project to be fully complete by 2028, a deadline that has already been revised several times", a year rather than a day, so the pin takes the last day of 2028.[1]The 17.17 km link, whose main span is a 9.8 km eight-lane bridge over the Arabian Sea with four connectors at Bandra, Carter Road, Juhu and Versova, carries the coastal road north from the Bandra-Worli Sea Link to Versova. About 30 per cent of the work was done by early 2026 and the cost has been revised twice, to 18,120.96 crore rupees in 2024.₹181.2B0.58Grand Paris Express Line 15 South Opens
ESTIMATED58% CONFIDENCEin 8 daysGiven as a target, not a fixed date, per the pin description: "…omated orbital metro ring around Paris. Estimated date.…"The first stretch of Europe's largest transport project: a 33 km automated orbital metro ring around Paris. Estimated date.€42B0.57Sir William Arrol & Co.’s Forth Bridge Opens as the World’s Longest Cantilever Span
CONFIRMED87% CONFIDENCE136.6 years agoNetwork Rail[3] confirms the Prince of Wales formally opened the Forth Bridge on 4 March 1890.The Forth Bridge, a railway cantilever spanning the Firth of Forth in Scotland, was formally opened by the Prince of Wales on 4 March 1890, some months after the structure itself was finished in November 1889. Designed by John Fowler and Benjamin Baker and built by Sir William Arrol & Co., it was Britain's first major all-steel structure and the world's longest cantilever bridge span.0.57Gordie Howe International Bridge Opens
Detroit, Michigan
CONFIRMED93% CONFIDENCE58 days agoStated as firm, per en.wikipedia.org[1]: "…ridge tolls. Construction of the bridge was completed in June 2026, inaugurated on July 24, 2026, an…"A 853-metre cable-stayed span over the Detroit River, the longest in North America, carrying the busiest US-Canada trade corridor. Estimated date.$6.4B0.57The Channel Tunnel Opens
Channel Tunnel, Folkestone, United Kingdom
CONFIRMED78% CONFIDENCE32.4 years agoHappened as dated, per the source[1]: the tunnel "was officially opened on May 6, 1994," presided over by Queen Elizabeth II and President Mitterrand.The $15BN Channel Tunnel opened, linking Britain to mainland Europe by rail for the first time since the last Ice Age, after six years of construction under the English Channel.$15B0.57
