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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.

TagMetroplitan Transportation Plan(18)

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  • 6167 mtp1996amendment pdf
    1996-07-11

    1996 Amendment to the Metropolitan Transportation Plan for the Central Puget Sound Region

    This is the cover page of the 1996 Amendment to the Metropolitan Transportation Plan for the Central Puget Sound Region, adopted by the Puget Sound Regional Council General Assembly on July 11, 1996. The document is a regional transportation planning record relevant to the Central Puget Sound area, which includes the vicinity of Sea-Tac Airport.
    TagsMetroplitan Transportation Plan, PSRC, Puget Sound Regional CouncilFolder07-Executive Board-General Assembly-Amendment MTP
  • 1996-07-11

    Puget Sound Regional Council General Assembly Meeting Agenda, July 11, 1996

    The Puget Sound Regional Council held a General Assembly Meeting on July 11, 1996, at the Seattle Center Flag Pavilion to consider a key policy action: an amendment to the Metropolitan Transportation Plan (MTP) that would include plans for Sea-Tac Airport expansion along with additional noise reduction measures. The meeting included a public comment period from 2:00–3:30 p.m., allowing community members up to three minutes each to speak, followed by assembly deliberations and a vote on the proposed amendment. This document reflects a formal regional planning effort to balance airport growth with mitigation of noise impacts on surrounding communities.
    TagsAirport Expansion, Metroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Sea-Tac AirportFolder07-Executive Board-General Assembly-Amendment MTP
  • Gaagenda19960711 pdf
    1996-07-11

    Puget Sound Regional Council General Assembly Meeting Agenda, July 11, 1996

    Agenda for the Puget Sound Regional Council (PSRC) General Assembly Meeting held Thursday, July 11, 1996, 2:00–5:00 PM at the Seattle Center Flag Pavilion, Seattle, WA. Presided over by Executive Doug Sutherland. Key action item: Amendment to Metropolitan Transportation Plan (MTP) to include plans for Sea-Tac Airport expansion with additional noise reduction measures. Includes public
    TagsAirport Expansion, Metroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Sea-Tac AirportFolder07-Executive Board-General Assembly-Amendment MTP
  • 1996-06-27

    Puget Sound Regional Council Executive Board Meeting Agenda — June 27, 1996

    The Puget Sound Regional Council held an Executive Board meeting on June 27, 1996, at the Seattle Center Flag Pavilion, featuring a public hearing and board deliberations on regional transportation matters. A key item on the agenda was a recommendation to the General Assembly on amending the Metropolitan Transportation Plan (MTP) to incorporate plans for Sea-Tac Airport expansion accompanied by additional noise reduction measures. The meeting also addressed transportation plan certifications, transit authority system plan consistency, and routine amendments to regional transportation improvement programs.
    TagsAirport Expansion, Metroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Sea-Tac AirportFolder07-Executive Board-General Assembly-Amendment MTP
  • Ebagenda19960627 pdf
    1996-06-27

    Puget Sound Regional Council Executive Board Meeting Agenda — June 27, 1996

    Agenda for the Puget Sound Regional Council (PSRC) Executive Board Meeting held June 27, 1996, at the Seattle Center Flag Pavilion, Seattle, WA. Presided over by Executive Doug Sutherland, President. Public hearing from 9:00 a.m. to 12:00 noon, followed by Executive Board deliberation. Consent agenda items include approval of minutes from April 25, 1996; vouchers
    TagsAirport Expansion, Metroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Sea-Tac AirportFolder07-Executive Board-General Assembly-Amendment MTP
  • 1996-06-20

    Summary of the Regional Council’s decision process relating to amending the Metropolitan Transportation Plan to include a third runway at Sea-Tac International Airport with additional noise reduction measures

    This 1996 Puget Sound Regional Council document summarizes the multi-year planning process behind the decision to add a third runway at Seattle-Tacoma International Airport. It traces efforts dating back to the 1988 Regional Airport System Plan through environmental reviews, expert panel evaluations, and feasibility studies, concluding that no viable alternative sites or demand-management strategies could eliminate the need for the new runway. The approval was conditioned on additional noise reduction measures to address impacts on surrounding communities.
    TagsMetroplitan Transportation Plan, PSRC, Puget Sound, Third RunwayFolderPuget Sound Regional Council
  • 1996-05-30

    Puget Sound Regional Council Executive Board Workshop Agenda — May 30, 1996

    The Puget Sound Regional Council held an Executive Board Workshop on May 30, 1996, at the Bellevue Conference Center to discuss and respond to Expert Panel recommendations on noise reduction measures. The day-long session included board dialogue aimed at directing staff to prepare a Draft Metropolitan Transportation Plan Amendment—including a refined list of noise reduction measures—for public review before a June 27, 1996 vote. The workshop was part of an ongoing regional planning process addressing transportation-related noise impacts in the greater Seattle–Puget Sound area.
    TagsMetroplitan Transportation Plan, Noise Mitigation, PSRC, Puget Sound Regional CouncilFolder07-Executive Board-General Assembly-Amendment MTP
  • Ebagenda19960530 pdf
    1996-05-30

    Puget Sound Regional Council Executive Board Workshop Agenda — May 30, 1996

    Agenda for the Puget Sound Regional Council (PSRC) Executive Board Workshop held May 30, 1996 at the Bellevue Conference Center, 121 107th Avenue NE, Bellevue, WA, beginning at 9:00 a.m. Presided over by Executive Doug Sutherland, President. Items include: Regional Council Response to Expert Panel Recommendations, Summary of Responses to Expert Panel Recommendations (Attachment 2),
    TagsMetroplitan Transportation Plan, Noise Mitigation, PSRC, Puget Sound Regional CouncilFolder07-Executive Board-General Assembly-Amendment MTP

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  • 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

    [...]

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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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