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Second 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.$17B0.78Second Avenue Subway Phase One Opens as World's Priciest Subway
2nd Ave & E 96th St, Manhattan, New York
CONFIRMED90% CONFIDENCE9.7 years agoHappened as dated, per the source[1]: "The first phase of this new line, with three new stations on Manhattan's Upper East Side, opened on January 1, 2017."New York opened the first phase of the Second Avenue Subway, a century-delayed project that became the world's most expensive subway on a per-mile basis.$4.450.70NYC Targets 2030s for the Interborough Express
ESTIMATED66% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source[1]: "officials said they expect the first trains to run in the 2030s."The MTA is pushing ahead on a new light rail line linking Brooklyn and Queens via a freight corridor that has never had passenger subway service.$5.5B0.63235 East 42nd Street Column Buckling
CONFIRMED90% CONFIDENCE78 days agoHappened as dated, per the source[1]: workers "discovered structural steel columns buckling" on the morning of July 7, 2026.Structural steel columns buckled at 235 East 42nd Street, the former Pfizer headquarters in Manhattan being converted into roughly 1,600 apartments, forcing an evacuation and emergency stabilisation.0.63Construction 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.0.63BQE 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.0.622 World Trade Center Construction Restarts
CONFIRMED88% CONFIDENCE76 days agoHappened as dated, per the source[1]: a "groundbreaking ceremony held for new 2 World Trade Center" took place on "July 9, 2026".After 14 years of stalled foundations, construction officially restarted on 2 World Trade Center with a groundbreaking ceremony, anchored by American Express as its future headquarters tenant.0.62432 Park Avenue Opens on Manhattan's Billionaires' Row
CONFIRMED84% CONFIDENCE10.8 years agoHappened as dated, per the source[1]: "Year of Completion: 2015."Harry Macklowe's 432 Park Avenue, then the world's tallest residential tower, officially completed in Manhattan in December 2015 after four years of construction.0.62HS2 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.£95.2B0.61CTA Breaks Ground on the Red Line Extension to 130th Street
Future Michigan Avenue station, S Michigan Ave at 116th St, Chicago, IllinoisChicago Transit Authority
CONFIRMED90% CONFIDENCE152 days agoCTA's own release is dated April 24, 2026 and describes the groundbreaking as having happened, with "the new extension and stations [...] expected to be completed and in service in 2030".[1]The Chicago Transit Authority started building the $5.7 billion, 5.5-mile extension of the Red Line south from 95th/Dan Ryan, with a ceremony at the site of the future Michigan Avenue station. Four new accessible stations near 103rd Street, 111th Street, Michigan Avenue and 130th Street will bring rapid transit to the Far South Side for the first time.$5.7B0.61Lima Metro Line 2 Fully Open
Lima, Peru
ESTIMATED51% CONFIDENCEin 2.2 yearsGiven as a target, not a fixed date, per en.wikipedia.org[1]: "…ne is currently under construction, and projected to be completed by 2028.[citation needed] New line…"A 35 km fully underground east-west line beneath Lima, cutting a two-hour surface trip to about 45 minutes. Estimated date.$5.4B0.61262 Fifth Avenue Rises Over the Empire State Building's Sightlines
ESTIMATED66% CONFIDENCEin 99 daysGiven as a target, not a fixed date, per archdaily.com[3]: Meganom "is nearing completion" of the tower as of December 2025, with delivery expected in 2026.Five Points Development's slender 262 Fifth Avenue condo tower topped out in Manhattan's NoMad district in 2024 and is on track to open in 2026, drawing criticism for blocking classic views of the nearby Empire State Building.0.60
