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SEA Gateway Project Completes at Seattle-Tacoma's Main Terminal
CONFIRMED90% CONFIDENCE238 days agoThe Port of Seattle's 28 January 2026 release is headlined "SEA Airport and Alaska Airlines Celebrate Completion of SEA Gateway Project".[1]The rebuild of the north end of SEA's main terminal added the airport's first at-scale automated bag drops, a redesigned Checkpoint 6, a new Bridge Level check-in, upgraded baggage claim devices and eight major public art installations. The Port of Seattle and Alaska Airlines marked the finish of major construction, the first of a run of Upgrade SEA projects due to complete before the summer's international soccer tournament.$546M0.70Major Construction Starts on SEA's S Concourse Rebuild
ESTIMATED50% CONFIDENCEin 1.3 yearsThe Port of Seattle says the work has "major construction scheduled to start in 2027", a year rather than a day, so it sits at the end of that year.[1]The Port of Seattle's S Concourse Evolution project adds 150,000 square feet to the 1973 satellite concourse that handles most of SEA's international flights, including a new upper concourse level and dual-level boarding at selected gates, reusing customs space freed when the International Arrivals Facility opened in 2022. All phases are estimated to finish by 2034.$2.5B0.68O'Hare's Satellite Concourse 1 Is Finished
Satellite Concourse 1, O'Hare International Airport, Chicago, IllinoisChicago Department of Aviation
DELAYED3 years late40% CONFIDENCEin 2.0 yearsSatellite Concourse 1 "began vertical construction in April 2026 with a targeted completion date of late 2028" - a season rather than a day, and one that has already moved.[1]The first of two satellite concourses west of O'Hare's terminal core, designed by Skidmore, Owings & Merrill with Norviska and designated Concourse D, is reached by an underground tunnel from the terminals. Vertical construction started in April 2026; the $1.45 billion concourse is the first piece of the O'Hare 21 rebuild to be delivered, a programme approved in 2018 at $8.5 billion and now put at roughly $12 billion in current dollars.$1.4B0.68TxDOT Breaks Ground on $13BN I-45 Houston Overhaul
CONFIRMED83% CONFIDENCE1.9 years agoHappened as dated, per the source[1]: "the groundbreaking event was held at Pitch 25 in East Downtown Houston near the start of the project's first phase."Texas kicked off construction on its $13 billion North Houston Highway Improvement Project, a decades-long rebuild of one of America's deadliest interstates.$13B0.68Portland International Airport Opens New Main Terminal
Portland International Airport, 7000 NE Airport Way, Portland, OR 97218, United States
DELAYED4 months late44% CONFIDENCE2.1 years agoHappened as dated, per the source[1]: "The opening was delayed from the originally scheduled spring opening by four months due to workplace safety issues in April."After a four-year, $2 billion rebuild, Portland International Airport opened its overhauled main terminal, built around a nine-acre mass-timber roof sourced entirely from within 300 miles of the airport.$2.000.67Hartsfield-Jackson's Widened Concourse D Is Due to Be Finished
Concourse D, Hartsfield-Jackson Atlanta International Airport, Atlanta, GA 30320Hartsfield-Jackson Atlanta International Airport
ESTIMATED50% CONFIDENCEin 2.8 yearsThe airport's phase-two announcement has "19 modules planned in total by the project's completion in the summer of 2029" - a season, not a fixed day.[1]Atlanta is rebuilding Concourse D in place, floating 19 prefabricated steel modules into position overnight to make the 1980s concourse about 60 percent wider and able to take larger aircraft while it keeps operating. Phase two began in January 2025 with the sixth module.0.67Austin-Bergstrom Opens Concourse B and Its Passenger Tunnel
Concourse B site, Austin-Bergstrom International Airport, 3600 Presidential Boulevard, Austin, TX 78719, United States
Austin-Bergstrom International Airport
DELAYED3 years late40% CONFIDENCEin 3.3 yearsThe airport's own programme page says Concourse B and its tunnel are "estimated to open in the early 2030s", a span rather than a date.[1]The airport's second concourse is a standalone midfield building south of the Barbara Jordan Terminal, reached by an underground walkway with moving walkways, and carries a new integrated baggage system. It is meant to open alongside the $865 million Arrivals and Departures Hall under the Journey With AUS programme.$1.1B0.6730th Street Station's South Retail Concourse Opens
ESTIMATED50% CONFIDENCEin 69 daysThe redevelopment's schedule page gives a season, not a day: "We anticipate the South Station Retail Concourse opening to the public in late 2026 and construction continuing through 2028."[1]The first large public piece of Amtrak's phased rebuild of the William H. Gray III 30th Street Station: a restored concourse of shops and restaurants beneath the 1933 building, part of a redevelopment of nearly 500,000 square feet running to 2028.0.67Amtrak Unveils New Design for the Penn Station Overhaul
CONFIRMED91% CONFIDENCE107 days agoHappened as dated, per the source[1]: "unveiled the design renderings for the once-in-a-generation redevelopment of New York Penn Station."Amtrak and its newly chosen builders showed the public a first look at the redesigned Penn Station concourse, the latest step in a federal takeover of the long-delayed rebuild.0.65Miami International Airport's New Concourse K Is Due to Open
ESTIMATED50% CONFIDENCEin 2.5 yearsThe airport's own project page says the concourse is "scheduled for completion by Spring 2029" - a season, not a fixed day, so the pin uses the start of that spring.[1]MIA is building a three-level Concourse K with six domestic gates, new baggage handling, a ground support equipment maintenance facility and airfield work, the first new concourse of its $9 billion modernisation programme. Construction broke ground in mid-2025.$600.6M0.64Four Rebuilt Red Line Stations Open on Chicago's North Side
CONFIRMED90% CONFIDENCE1.2 years agoThe CTA's announcement says "four fully reconstructed Red Line stations in Edgewater and Uptown will open on Sunday, July 20, 2025".[1]The Lawrence, Argyle, Berwyn and Bryn Mawr stations reopened fully accessible, with elevators and escalators at main entrances, wider platforms, translucent overhead canopies and new public artwork. They sit on 1.3 miles of new track structure, bridges and viaducts built between Lawrence and Bryn Mawr under the CTA's $2.1 billion Red and Purple Modernization Phase One project.0.64Phoenix Sky Harbor Starts Building Its Third Terminal
ESTIMATED50% CONFIDENCEin 2.3 yearsThe airport's own schedule lists "Construction 2029 - 2033" with no start date, so the pin uses the start of 2029.[1]Sky Harbor's West Terminal, the airport's first new terminal since Terminal 4 opened in 1990, is scheduled to go into construction in 2029 and open in 2033, with the number of concourses and gates still to be decided. The airport puts the likely cost at around $4.5 billion, paid for with passenger facility charges, bonds and airport funding rather than tax dollars.0.64
