New Highmark Stadium Opens for the Buffalo Bills

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• Sports09/15/2026@BuildDesk

  SoFi Stadium Opens in Inglewood With a Ribbon-Cutting

  SoFi Stadium, 1001 Champion Drive, Inglewood, California, United States

  

  Starts 09/08/2020CONFIRMED82% CONFIDENCE6.0 years agoHappened as dated, per the source^[1]: "An official ribbon-cutting ceremony was hosted on September 8".

  The most expensive stadium ever built opened as the new home of the LA Rams and Chargers, with its first NFL game days later.

  $5.1B

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• Sports09/15/2026@BuildDesk

  Las Vegas' $1.9BN Mega Stadium

  3333 Al Davis Way, Las Vegas, Nevada, United StatesLas Vegas Raiders

  

  Starts 07/31/2020CONFIRMED89% CONFIDENCE6.1 years agoHappened as dated, per the source^[1]: "On July 31, 2020, Allegiant Stadium opened its doors for Las Vegas Raiders fans for the team’s first game on home turf."

  The Las Vegas Raiders open Allegiant Stadium, a 65,000-seat, climate-controlled venue with a retractable end-zone wall built in three years and nine months on the Las Vegas Strip.

  $1.9B

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• Sports09/20/2026@BuildDesk

  Foundation Work Begins on the Commanders' New Stadium at RFK

  2400 East Capitol Street SE, Washington, D.C. 20003, United StatesWashington Commanders

  

  Starts 04/01/2026CONFIRMED90% CONFIDENCE175 days agoThe article states "Work on foundational infrastructure began in April 2026, with groundbreaking scheduled for early 2027", giving the month but not the day.^[1]

  Work started on the foundational infrastructure for a 65,000-seat domed stadium on the old RFK Stadium site in southeast Washington, with the full groundbreaking held back to early 2027 and opening expected in 2030. The Commanders are putting up $2.7 billion towards a project projected at $3.8 billion; the District is spending $500 million on infrastructure and will own the building.

  0.68

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• Sports09/15/2026@BuildDesk

  Intuit Dome, the Clippers' New Arena, Opens in Inglewood

  Intuit Dome, Inglewood, California, USALA Clippers

  

  Starts 08/15/2024CONFIRMED84% CONFIDENCE2.1 years agoHappened as dated, per the source^[1]: "opened on August 15, 2024".

  The Clippers' new $2BN Intuit Dome arena opened in Inglewood on August 15, 2024, giving the team its first standalone home after decades sharing a venue with the Lakers.

  $2B

  0.67

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• Transport09/15/2026@BuildDesk

  Empire State Development Opens the Moynihan Train Hall at Penn Station

  Moynihan Train Hall, 421 8th Ave, New York, NY 10001, USAEmpire State Development

  

  Starts 01/01/2021CONFIRMED87% CONFIDENCE5.7 years agoSOM's own project announcement states the Moynihan Train Hall "opens January 1" (2021), corroborated by New York YIMBY's coverage of the public opening that day.^[1]

  A public-private consortium led by Empire State Development opened the $1.6 billion Moynihan Train Hall inside the former Farley Post Office, giving Amtrak and LIRR riders a new concourse next to the cramped original Penn Station.

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• Architecture09/14/2026@BuildDesk

  New Nissan Stadium Set to Open for the Titans

  New Nissan Stadium, East Nashville, Nashville, Davidson County, Tennessee, United StatesTennessee Titans

  

  Starts 02/28/2027SCHEDULED79% CONFIDENCEin 158 daysGiven as scheduled, per the source^[1]: "The project remains on schedule, and the stadium's completion date is set for February 2027."

  A new $2.1 billion enclosed Nissan Stadium is scheduled to hand over to the Tennessee Titans in February 2027, funded largely by public money in a bid to eventually host a Super Bowl.

  $2.2B

  0.64

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• Sports09/20/2026@BuildDesk

  Broncos Target the 2031 Season to Open Their Burnham Yard Stadium

  Burnham Yard, Denver, CODenver Broncos

  

  Starts 09/01/2031ESTIMATED50% CONFIDENCEin 4.9 yearsThe team's own stadium FAQ says "the targeted completion for a new stadium would be the 2031 NFL season aligned with the expiration of the Broncos' current lease at Empower Field at Mile High," naming a season rather than a date.^[1]

  Burnham Yard, a former rail yard less than a mile southeast of Empower Field at Mile High, is the Broncos' preferred site for a privately funded retractable-roof stadium anchoring a mixed-use district of parks, housing, shops and restaurants. The Walton-Penner ownership group is paying for the stadium itself, with Denver and Colorado covering surrounding public improvements.

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• Sports09/20/2026@BuildDesk

  The Athletics' Las Vegas Ballpark Opens on the Tropicana Site

  3801 South Las Vegas Boulevard, Las Vegas, NVAthletics

  

  Starts 01/01/2028ESTIMATED50% CONFIDENCEin 1.3 yearsThe club's own ballpark site promises only "opening in 2028," a year rather than a date.^[1]

  The 33,000-seat domed ballpark, designed by Bjarke Ingels Group and HNTB around one of the largest cable-glass windows in North America, is rising on a corner of the 35-acre site of the Tropicana Las Vegas, which was imploded in October 2024. Construction broke ground in June 2025 on a roughly $2 billion build that brings Major League Baseball to the Strip.

  $2B

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• Architecture09/20/2026@BuildDesk

  Cosm's LED Dome Opens as Centennial Yards' First Venue

  125 Ted Turner Drive SW, Atlanta, GA 30303Cosm

  

  Starts 06/10/2026CONFIRMED90% CONFIDENCE105 days agoCosm's^[1] own construction update announced that the Atlanta venue "will debut for the public on June 10", and Atlanta News First reported from the opening that day.

  Cosm opened a 70,000-square-foot, three-level venue built around an 87-foot 12K LED dome in Atlanta's Gulch, showing Game 4 of the NBA Finals on its first night. It is the first attraction finished inside Centennial Yards, the $5 billion, 50-acre redevelopment of the rail gulch between State Farm Arena and Mercedes-Benz Stadium.

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• Sports09/20/2026@BuildDesk

  White Stadium Reopens in Franklin Park After Its Rebuild

  White Stadium, 450 Walnut Avenue, Boston, MA 02119, United StatesBoston Legacy FC

  

  Starts 12/21/2027DELAYED2 years late48% CONFIDENCEin 1.2 yearsTwo sources give a season rather than a month: the city’s construction-updates page says a "Summer 2027 opening", while the Boston^[2] Globe of 27 August 2026 says "the stadium will now open in the fall of 2027" and that Boston Legacy FC will not play there until the start of the 2028 season. The later reporting is followed, and a season sits at its last day.

  The city-owned stadium in Franklin Park reopens after a rebuild that grew from a $30 million repair into a $325 million project, $135 million of it public money from the City of Boston and $190 million from the owners of Boston Legacy FC. The NWSL club will not play its first match there until 2028; Boston Public Schools athletics get the ground back first.

  $325M

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• Sports09/20/2026@OddsDesk

  Super Bowl LXI Decides the 2026 NFL Season at SoFi Stadium

  SoFi Stadium, 1001 Stadium Drive, Inglewood, CA 90301, USA

  

  Starts 02/14/2027SCHEDULED78% CONFIDENCEin 144 daysThe NFL has long had Super Bowl LXI fixed for 14 February 2027 at SoFi Stadium^[3]; Wikipedia^[2] and the stadium's own event listing both give that date, and Kalshi's^[1] market expires the same day.

   Kalshi

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  The NFL's 61st championship game is set for 14 February 2027 at SoFi Stadium in Inglewood, California, the ninth Super Bowl staged in greater Los Angeles. On 20 September 2026 Kalshi's futures market was unusually flat: Buffalo and the Los Angeles Rams led at about 12% each, with Baltimore, San Francisco, Kansas City and Seattle bunched at 7-8%.

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• Architecture09/15/2026@BuildDesk

  One Times Square $500M Redevelopment Completes

  One Times Square, Manhattan, New York, United StatesJamestown

  

  Starts 01/01/2026CONFIRMED87% CONFIDENCE265 days agoHappened as dated, per the source^[1]: "the renovation was finished by January 2026."

  Jamestown's $500 million overhaul of the long-vacant One Times Square, home of the New Year's Eve ball drop, wrapped up with a new glass facade, museum and observation deck.

  $500M

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