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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

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  • Bellevue residents say new Cross Lake Rail line violates noise

    https://seatacnoise.info/wp-content/uploads/Bellevue-residents-say-new-cross-lake-rail-line-violates-noise-l.mp4
    TagsKOMO, Noise, Sound TransitFolderNoise
  • 2025-11-19

    Highline Forum Agenda: November 19, 2025 — Transportation Updates

    The Highline Forum held its November 19, 2025 meeting at the City of SeaTac Council Chambers, hosted by the City of Des Moines, with a focus on transportation updates including presentations from WSDOT on the SR 509 project, Sound Transit, and a StART update from the Port of Seattle. The forum, co-chaired by Port of Seattle Commissioner Sam Cho, also covered local transportation roundtable discussions and planning for 2026 co-chair roles and meeting schedules. The 2026 meeting calendar lists six bimonthly sessions, with the first scheduled for January 28, 2026 at Port of Seattle's SEA Airport facility.
    TagsHighline Forum, Port Of Seattle, Sound Transit, SR509, StARTFolderHighline Forum 2025
  • Sound Transit Airport Station Map

    Official transit access map for Seattle-Tacoma International Airport showing the SeaTac/Airport Station connection via Skybridge 6 at Parking Garage Level 4. The map depicts the pedestrian route along S 176th Street and International Blvd, with marked locations for Link Station, bus stops, pick-up zones, ORCA ticket machines, and elevators.
    TagsMap, non-aviation transportation, Sea-Tac Airport, Sound TransitFolderSea-Tac Airport
  • 2025-07-10

    Civic Campus project feasibility report memorandum

    The City of SeaTac is evaluating the purchase of an 8.26-acre site at 2701 South 200th Street — currently a Park-and-Fly lot — to build a new Civic Campus that would replace the aging City Hall and include community, retail, and recreational spaces. A feasibility study conducted between 2024 and 2025 found no major risks at the preferred site, which is located directly across from the Angle Lake light rail station. The City Council is expected to decide in July 2025 whether to proceed with the land purchase.
    TagsCity Of SeaTac, community development, Housing, local government, Sound TransitFolderSeaTac
  • 2024-06-25

    SR 509, I-5 to 24th Avenue S. (Stage 1b)

    An aerial rendering depicting the SR 509 Expressway extension (Stage 1b) in SeaTac, Washington, showing planned infrastructure including a new 24th Avenue South interchange, new 34th Avenue S connection to I-5, a reconfigured S 208th Street, a toll point on SR 509, and proximity to the Sound Transit Angle Lake Station. The project corridor runs east-west connecting I-5 to existing SR 509 near Angle Lake.
    CategoriesResources TagsAirport Expansion, Airport Layout Plans, seatac, Sound TransitFolderSR-509
  • 2022-11-16

    Highline Forum agenda: South King County Community Impact Fund update and Port Noise Program update

    The Highline Forum met on November 16, 2022, hosted by the Highline School District at SeaTac City Hall, with a focus on the South King County Community Impact Fund and Port Noise Program updates. The agenda included presentations from the Port of Seattle, Sound Transit, and the Washington Department of Transportation, alongside public comment opportunities offered both in-person and virtually via Microsoft Teams. The document also lists six bimonthly Highline Forum meeting dates scheduled throughout 2023, each running from 2:30pm to 4:30pm.
    TagsHighline Forum, Port Of Seattle, Sound Transit, SR509, StARTFolderHighline Forum 2021
  • 2022-11-16

    Sound Transit update: Highline Forum

    A November 2022 Sound Transit presentation to the Highline Forum outlines planned transit expansions in South King County, including the Federal Way Link Extension (SeaTac to Federal Way), the Tacoma Dome Link Extension, and the Stride S1 bus rapid transit route connecting Burien to Bellevue via Tukwila. The update also introduces new CEO Julie Timm and highlights additional improvements such as a new S Boeing Access Road Station, Sounder parking upgrades, and track and platform enhancements. While focused on regional transit growth, the projects have direct relevance to communities near Sea-Tac Airport affected by transportation and land-use planning.
    TagsFederal Way, Highline Forum, non-aviation transportation, Sound Transit, South King CountyFolderHighline Forum 2022
  • Snohomish County leaders reject light rail routes bypassing Paine Field

    Those options weren’t what voters approved — and would be like “butchering” the plan, the Snohomish County executive said. By Ben Watanabe Thursday, September 29, 2022 1:30am LOCAL NEWS EVERETT TRANSPORTATION EVERETT — Some Snohomish County leaders rejected calls to study Highway 99 and I-5 light rail options that would skip the Boeing and Paine Field
    CategoriesFrom The Web TagsEverett Herald, Snohomish County, Sound Transit
  • Resized-SR-509-map

    This map depicts the Washington State SR-509 extension project, showing three construction stages: Stage 1a (at Toll Point near S 208th St), Stage 1b (along I-5 through Kent), and Stage 2 (connecting Burien via Des Moines Memorial Drive to the existing Lake to Sound Trail). The map also identifies future Sound Transit stations, Barnes Creek Wetland mitigation, the Des Moines Creek Trail, and the Lake to Sound Trail under construction near Sea-Tac Airport.
    TagsDes Moines Creek Trail, Map, Sound Transit, SR509, WSDOTFolderSR-509
  • 2022-04-12

    Port Of Seattle commission regular meeting agenda

    The Port of Seattle Commission held a virtual regular meeting on April 12, 2022, covering airport-related capital projects including a briefing on the C Concourse Expansion Project and authorization requests for construction contracts at Seattle-Tacoma International Airport. The agenda also included a Sound Transit briefing on the West Seattle and Ballard Link Extensions Draft Environmental Impact Statement, which touches on the Ballard/Interbay corridor near port facilities. Public comment was accepted by email or phone only, with no in-person attendance permitted under Governor Inslee's pandemic proclamations.
    CategoriesMeetings TagsPort Of Seattle, Port Of Seattle Commission, Sea-Tac Airport, Sound TransitFolderMeetings

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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