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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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  • 2024-05-13

    RCW 70.94.037: Transportation activities—”Conformity” determination requirements

    Washington State law RCW 70.94.037 requires that any transportation plan, program, or project in areas that don't meet federal air quality standards must be shown to conform with the state's air quality implementation plan before it can be approved or funded. The conformity determination must be made by the responsible state agency, local government, or metropolitan planning organization overseeing the project. Projects limited strictly to preservation or maintenance work are exempt from this requirement.
    TagsClean Air Act, Conformity, RCW, transportation, Washington State Legislature
  • 2023-12-05

    The Conference Center at Sea-Tac Airport: directions and parking

    This document provides directions to The Conference Center at Seattle-Tacoma International Airport, which is located on the mezzanine level above checkpoint #1. It includes instructions for arriving by car from multiple directions, by Link Light Rail, from a flight gate, by drop-off, and by hotel shuttle, all guiding visitors to the International ticketing counter area and up to the mezzanine level. Parking validation is available only in General Parking floors 3 and 5-8, and not all groups qualify for validation.
    TagsAirport, Parking, Port Of Seattle, Sea-Tac Airport, transportation
  • 2023-10-01

    2023-25 Biennium Climate Commitment Act Investments to Benefit Overburdened Communities and Tribes

    Washington State's Climate Commitment Act invested over $2.1 billion in the 2023-25 budget cycle to reduce greenhouse gas emissions, with an estimated $924 million (43%) directed to overburdened communities and $155 million (7.3%) specifically benefiting Tribes. Key investments include rebates for energy-efficient home equipment, weatherization assistance for low-income households, transit grants, bike and pedestrian safety improvements, and air quality programs in heavily polluted communities. An additional $142 million was directed to salmon restoration projects important to Tribal culture and treaty rights.
    TagsClimate Commitment Act, Environmental Justice, State of Washington, transportation, Washington State Legislature
  • 2023-10-01

    2023-25 Biennium Climate Commitment Act Investments to Benefit Overburdened Communities and Tribes

    Office of Financial Management (OFM) October 2023 report estimating 2023-25 biennium Climate Commitment Act (CCA) investments directed to overburdened communities and Tribes across Washington State operating, capital, and transportation budgets. Of $2.1 billion total CCA revenue invested, nearly $924 million (43%) directed to overburdened communities, and $155 million (7.3%) specifically to Tribes, with an additional
    TagsClimate Commitment Act, Environmental Justice, State of Washington, transportation, Washington State Legislature
  • 2023-08-27

    Trade, traffic on I-5 corridor raise vision to global level

    This article examines the growing trade and economic integration along the I-5 corridor connecting Portland, Seattle-Tacoma-Everett, and Vancouver, B.C., highlighting cross-border cooperation, Pacific Rim trade opportunities, and regional population and industrial growth in the late 20th century. It does not contain content related to Sea-Tac Airport noise policy.
    CategoriesCorrespondence TagsEconomic Impacts, Newspaper Article, Pacific NW Magazine, RCAA, State of Washington, transportation
  • 2023-08-15

    Congressional Letter Supporting Cascadia High-Speed Rail Federal-State Partnership Grant Application

    Letter from Washington Democratic Delegation to SecDOT to fund Cascadia Bullet Train
    TagsMaria Cantwell, Patty Murray, Rick Larsen, transportation, WSDOT
  • 2022-12-14

    Puget Sound Regional Council

    The Puget Sound Regional Council (PSRC) is a metropolitan planning organization founded in 1956 that oversees transportation planning, economic development, and growth management across King, Kitsap, Pierce, and Snohomish counties in the greater Seattle area. It serves as a collaborative forum for cities, counties, transit agencies, port districts, and tribal governments to address regional infrastructure and land-use issues. The PSRC maintains a regional Transportation Improvement Program and develops long-range strategies, such as VISION 2040, to guide the area's growth as its population approaches 5 million.
    TagsEconomic Development Division, PSRC, Puget Sound, Puget Sound Regional Council, transportation
  • 2022-09-01

    Regional high occupancy vehicle system policies

    This document outlines regional policies for High Occupancy Vehicle (HOV) lanes in the central Puget Sound region, covering rules for lane operation, enforcement, and public education. It establishes that HOV lanes should be reserved 24 hours a day, seven days a week for buses, carpools, and vanpools, and calls for increased fines for violations and better use of technology to improve compliance. The policies were developed by the Regional HOV Policy Advisory Committee in 1998-1999 and are intended to reduce traffic volumes, lower vehicle emissions, and improve overall transportation efficiency.
    Tagsnon-aviation transportation, PSRC, Puget Sound Regional Council, transportation, WSDOT
  • 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, transportation
  • 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, transportation

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

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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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