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Sydney Western Harbour Tunnel Set to Open
Warringah Freeway, Cammeray, Sydney, NSW, Australia
SCHEDULED80% CONFIDENCEin 2.3 yearsGiven as scheduled, per the source[1]: "Western Harbour Tunnel remaining on track to open to traffic in 2028".Sydney's Western Harbour Tunnel, redesigned mid-build from a cut-and-cover crossing to twin bored tunnels, is on track to open beneath the harbour in 2028.0.70The 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.0.70Stockholm'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.$4.5B0.70O'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.$1.4B0.70SFO'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 2029.0.69Second Gotthard Road Tunnel Due to Complete
SCHEDULED76% CONFIDENCEin 4.3 yearsA mid-2025 setback added cost and rework but the project team says it is still on schedule. Given as scheduled, per the source[1]: "It is due to be completed in 2030."Switzerland's second bore under the Gotthard Pass, approved by referendum in 2016 to let the original 1980 tunnel close for renovation without cutting off the A2, is on track to finish by 2030.$2.7B0.69Lyon-Turin Base Tunnel Targeted for 2033 Completion
ESTIMATED72% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source[1]: "The project is expected to be completed by 2033."TELT, the joint French-Italian agency building the Mont d'Ambin base tunnel under the Alps, is now aiming to finish the roughly 57km bore by the end of 2033.€11.1B0.69Jakarta Sets September 2026 Groundbreaking for Its Giant Sea Wall
Jakarta Bay, Jakarta, Indonesia
ESTIMATED70% CONFIDENCEin 7 daysEstimated: the January target was September 2026, but on 3 September 2026 CNN Indonesia[2] reported Governor Pramono is "menunggu arahan dari pemerintah pusat" (awaiting the central government's direction) rather than confirming it, and on 20 August he said "Ini kan pemerintah pusat. Kita menunggu saja" when asked if it would go ahead in September.Jakarta's government targeted September 2026 to break ground on its 19km stretch of a hybrid concrete-and-mangrove sea wall, part of a revised, roughly 500km national coastal defence plan that has replaced the earlier Garuda-shaped bird design.0.69New Harbor Bridge Opens in Corpus Christi
New Harbor Bridge, Corpus Christi, Texas, United States
CONFIRMED88% CONFIDENCE1.2 years agoHappened as dated, per the source[1]: "The long-awaited, $1.3 billion Harbor Bridge opened Saturday in Corpus Christi, Texas".After years of safety-related construction halts and cost overruns, the new cable-stayed Harbor Bridge across Corpus Christi's ship channel finally opened to traffic in 2025.$1.3B0.67Hampton Roads Bridge-Tunnel Expansion
SCHEDULED83% CONFIDENCEin 338 daysGiven as scheduled, per VDOT and the source[1]: "the revised project schedule sets... a final completion date for August 27, 2027."Virginia is expanding the world's first bridge-tunnel, adding new tubes and widened approaches at Naval Station Norfolk, the largest naval base on Earth, more than 50 years after it first opened.$4B0.67Thailand-China Railway's First Phase Pushed to 2030
Nakhon Ratchasima, Thailand
DELAYED4 years late66% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source[1]: "Thailand targets 2030 completion of first phase of high-speed rail link to China".The Bangkok-to-Nakhon Ratchasima leg of Thailand's high-speed rail link to China, once due by 2026, is now targeted for 2030 after years of delays.0.67Faroe Islands Open the Sandoy Undersea Tunnel
Skopun, Sandoy, Faroe Islands
CONFIRMED89% CONFIDENCE2.8 years agoHappened as dated, per the source[1]: "the Sandoyartunnilin tunnel opened on 21st December 2023."The Faroe Islands opened the Sandoyartunnilin, an 10.8km subsea tunnel linking Streymoy to the island of Sandoy, replacing a ferry crossing that could take an hour or more.kr 260M0.67
