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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.

TagRegional Transportation Plan(40)

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  • 2024-10-24

    Overview of the 2025-2028 Regional Transportation Improvement Program

    The 2025-2028 Regional Transportation Improvement Program (TIP), published by the Puget Sound Regional Council (PSRC) on October 24, 2024, outlines planned transportation projects and investments across the greater Puget Sound region for a four-year period. It covers project selection processes, funding plans, air quality requirements, and federal performance measures for roads, transit, ferries, and active transportation infrastructure. This document does not specifically address Sea-Tac Airport noise policy.
    Tagsnon-aviation transportation, PSRC, Puget Sound Regional Council, Regional Transportation Plan, transportationFolderPuget Sound Regional Council
  • 2024-09-05

    Draft 2025-2028 regional transportation improvement program: Appendix A detailed project listings

    This draft document from the Puget Sound Regional Council outlines the 2025-2028 Regional Transportation Improvement Program (TIP) for the greater Seattle-Tacoma region, listing federally, state, and locally funded transportation projects scheduled between 2025 and 2028. Projects are organized alphabetically by jurisdiction and include details on funding phases such as planning, design, construction, and equipment. The document was prepared as of September 5, 2024, with final updates expected by October 2024.
    Tagsnon-aviation transportation, PSRC, Puget Sound Regional Council, Regional Transportation Plan, transportationFolderPuget Sound Regional Council
  • 2023-10-25

    SEA Stakeholder Advisory Round Table (StART): October 25, 2023 Meeting Presentation

    The SEA Stakeholder Advisory Round Table (StART), convened on October 25, 2023 by the Puget Sound Regional Council, brought together stakeholders to discuss regional planning around Seattle-Tacoma International Airport in the context of the Vision 2050 plan, which guides growth for 5.8 million people across the Central Puget Sound region. The meeting covered key planning priorities including mobility, housing, equity, climate, and environment. It also outlined a regional planning timeline from 2020 to 2025, encompassing transportation plans, economic strategies, countywide growth targets, and local comprehensive plan updates leading to plan certification.
    TagsHousing, PSRC, Puget Sound Regional Council, Regional Transportation Plan, StARTFolderHousing
  • 2023-05-01

    Puget Sound Regional Council Annual Report 2023

    The Puget Sound Regional Council (PSRC) 2023 Annual Report highlights regional planning achievements including the adoption of a Regional Transportation Plan, a new Regional Housing Strategy, and Washington State's passage of House Bill 1110 to expand middle housing supply by an estimated 75,000 to 150,000 units over 20 years. The report also notes a $4.9 million grant secured for a Regional Safety Plan, progress on a Regional Equity Strategy, and efforts to support local comprehensive plan updates across the greater Puget Sound area.
    TagsHousing, PSRC, Puget Sound Regional Council, Regional Transportation Plan, Washington State LegislatureFolderAnnual Reports
  • 2022-09-01

    Guidance for plan amendment and capacity investment decisions

    This appendix from the Puget Sound Regional Council's long-range transportation plan, Destination 2030, outlines the process for amending the plan and making major capacity investment decisions. It explains that the plan must be reviewed every three years under federal law and every two years under Washington State law, with air quality conformity statements required when amendments are made. The document also provides guidance on evaluating transportation corridor investments, assessing benefits and costs, and classifying projects as either 'Candidate' or 'Approved' for implementation.
    TagsMetroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Regional Transportation Plan, SEPAFolderDestination 2030 CD
  • 2022-09-01

    Destination 2030: The metropolitan transportation system

    This document describes the central Puget Sound region's Metropolitan Transportation System (MTS), a multi-modal network of roads, ferries, transit, rail, and aviation facilities serving King, Kitsap, Pierce, and Snohomish counties. It outlines how regionally significant transportation facilities and services are identified and planned in accordance with federal and state requirements, including nine categories of statewide transportation significance. The document also provides a detailed breakdown of the region's approximately 16,790 miles of roadways by county, ownership, and functional classification as of 1999.
    TagsMetroplitan Transportation Plan, non-aviation transportation, PSRC, Puget Sound Regional Council, Regional Transportation PlanFolderDestination 2030 CD
  • 2022-09-01

    Destination 2030: Environmental justice appendix

    This appendix from the Destination 2030 Metropolitan Transportation Plan examines environmental justice in the central Puget Sound region, analyzing how transportation costs and benefits are distributed among minority and low-income populations across King, Kitsap, Pierce, and Snohomish counties. Using 1990 Census data and 1997–1998 estimates, it finds that low-income populations are concentrated in Seattle, Tacoma, and Everett, while the region's minority population stands at roughly 15 percent, with the highest concentrations in northern Pierce County and southwestern King County. The analysis was conducted to ensure that burdens and benefits of the regional transportation plan are equitably shared across groups defined by race, income, age, or disability.
    TagsEnvironmental Justice, PSRC, Puget Sound, Puget Sound Regional Council, Regional Transportation PlanFolderDestination 2030 CD
  • 2022-09-01

    Destination 2030: Resources and references

    This document is a resources and references section from the Puget Sound Regional Council's 'Destination 2030' metropolitan transportation plan, listing planning publications, environmental impact statements, and transportation policy reports relevant to the Central Puget Sound region. It includes references to the SeaTac Airport Master Plan Update and its Final Supplemental Environmental Impact Statement, alongside broader regional transportation and growth management studies. The document also credits the full Regional Council project team and policy board members involved in developing the plan.
    TagsMetroplitan Transportation Plan, PSRC, Puget Sound, Puget Sound Regional Council, Regional Transportation PlanFolderDestination 2030 CD
  • 2022-09-01

    Destination 2030 glossary of terms

    This document is a glossary of transportation planning terms from the Puget Sound Regional Council's long-range transportation plan, Destination 2030. It defines key concepts such as accessibility, congestion management, transit services, and land use strategies used to guide regional transportation policy in the greater Seattle metropolitan area. While not focused specifically on airport noise policy, it does include definitions related to airport ground access and commercial aviation as part of its broader multi-modal transportation framework.
    Tagsnon-aviation transportation, PSRC, Puget Sound Regional Council, Regional Transportation Plan, transportationFolderDestination 2030 CD
  • 2022-09-01

    Destination 2030: Plan monitoring and assessment

    Chapter 7 of the Destination 2030 regional transportation plan outlines how the Puget Sound Regional Council will monitor and assess progress toward its transportation goals through performance benchmarks, growth tracking, congestion management, and financial reporting. The plan establishes systems to measure land use patterns, travel behavior, and funding capacity across city streets, county roads, public transit, state highways, and ferries. Regular monitoring reports will help policymakers evaluate whether regional investments are achieving desired outcomes and allow for adjustments to planning and programming decisions over time.
    TagsMetroplitan Transportation Plan, PSRC, Puget Sound Regional Council, Regional Transportation Plan, transportationFolderDestination 2030 CD

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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...]


Help study childhood asthma. Get free HEPA filter!

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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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    "EXH AR051257: Subsurface Conditions Data Report, Phase 5 Fill and Subgrade Improvement, Third Runway Embankment, Sea-Tac International Airport" — , 2001

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