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Major Construction Begins on the New Long Bridge Over the Potomac
CONFIRMED90% CONFIDENCE254 days agoVPRA's notice says the work windows "begin January 12, 2026, and will continue until the project's completion in 2030".[1]The Virginia Passenger Rail Authority moved the Long Bridge Project into full construction, opening daytime work windows through the Washington, D.C. construction zone because the District's noise and vibration rules bar the work at night. A new two-track bridge beside the century-old Long Bridge will give a continuous four-track corridor between Arlington and L'Enfant Plaza, relieving the worst passenger-rail bottleneck on the East Coast.0.72Silvertown 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.$2.8B0.71Hudson River Tunnel Complete
Manhattan, New York
ESTIMATED70% CONFIDENCEin 8.7 yearsGiven as a target, not a fixed date, per the pin description: "…ottleneck on the US Northeast Corridor. Estimated date.…"New rail tunnels under the Hudson plus rehabilitation of the 1910 North River Tunnels, the most critical bottleneck on the US Northeast Corridor. Estimated date.0.68London's Thames Tideway 'Super Sewer' Officially Opens
CONFIRMED89% CONFIDENCE1.4 years agoHappened as dated, per the source[1]: "King Charles III officially opened the Thames Tideway[3] Tunnel on May 7, 2025."King Charles III officially opened the Thames Tideway Tunnel, a 25km deep sewer built to stop billions of litres of sewage overflowing into the Thames each year.$5B0.68Trunk 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.0.68Construction 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.0.67Danube 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.€305M0.67SFO's Terminal 3 West Expansion Opens
Terminal 3, San Francisco International Airport, San Francisco, CA 94128San Francisco International Airport
ESTIMATED50% CONFIDENCEin 343 daysThe builder's announcement says the expansion "is scheduled to open in the fall of 2027", a season rather than a day.[1]Turner broke ground on 5 September 2024 on the $2.6 billion modernization of SFO's Terminal 3: a 200,000-square-foot expansion, 650,000 square feet of renovation and a new six-story building holding airline lounges and operational offices. The eastern addition follows in 2029.0.67New York Harbor Storm Surge Plan
ESTIMATED67% CONFIDENCEin 18.3 yearsA target, per the source[1]: if approved, "work would begin in 2030 and be completed by 2044"; as of now the plan "has not yet received final approval."The US Army Corps of Engineers is advancing a $52.6BN plan of storm-surge gates, sea walls and levees around New York Harbor, after shelving a more radical $119BN 'mega sea wall' spanning the harbor mouth.$52.6B0.67Second 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.$7B0.67BART's Silicon Valley Extension Reaches Downtown San Jose and Santa Clara
DELAYED11 years late40% CONFIDENCEin 10.3 yearsThe article gives the phase as "Targeted for completion in 2037" with no month, so the pin uses the first day of that year.[1]VTA's Phase II extension carries BART on from Berryessa through a five-mile single-bore tunnel to three new subway stations in San Jose - 28th Street/Little Portugal, Downtown San Jose and Diridon - plus a surface station at Santa Clara. Excavation of the tunnel boring machine entrance pit at Newhall Yard was in progress in late 2025.$12.7B0.66Hong Kong Opens the Sha Tin to Central Link's Cross-Harbour Extension
CONFIRMED90% CONFIDENCE4.4 years agoHappened as dated, per the source[1]: the cross-harbour section was set to "fully open on May 15," reported days ahead of the 2022 launch.Hong Kong's MTR opened the cross-harbour section of the Sha Tin to Central Link, an immersed-tube rail tunnel under Victoria Harbour that gave Hong Kong Island a fourth rail link to Kowloon.$11.6B0.66
