TagThird Runway(1084)
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2026-09-18ACC: Planning for the Future
Airport Communities Coalition (ACC) founding statement and policy brief outlining the coalition’s formation in 1993 and its goals regarding Sea-Tac Airport expansion. Member jurisdictions include City of Burien, City of Normandy Park, City of Tukwila, City of Des Moines, and Highline School District; Coalition Director Robert L. Olander. Document argues against a third runway at -
2026-09-18
ACC: Planning for the Future
Airport Communities Coalition (ACC) founding statement and policy brief outlining the coalition’s formation in 1993 and its goals regarding Sea-Tac Airport expansion. Member jurisdictions include City of Burien, City of Normandy Park, City of Tukwila, City of Des Moines, and Highline School District; Coalition Director Robert L. Olander. Document argues against a third runway at -
Auburn Wetlands
Environmental mitigation at its best and worst To build the Third Runway, the Port of Seattle proposed to fill all or parts of some 12 separate wetlands across the Miller Creek, Walker Creek, and Des Moines Creek watersheds–every one of them a class AA water, the highest protection provided by the state. FAA grants are -
2026-07-30
Southwest CEO says Sea-Tac spending more than promised
In pitching his case for moving flights to Boeing Field, Southwest Airlines chief Gary Kelly aimed two powerful punches last week at the… By Alwyn Scott In pitching his case for moving flights to Boeing Field, Southwest Airlines chief Gary Kelly aimed two powerful punches last week at the Port of Seattle over its management -
Third Runway Decision Process (PSRC)
You can’t follow the game without a program Financing the Third Runway was unlike any other airport expansion–including the SAMP. In order to obtain federal funding, the Port was required to obtain an elaborate set of approvals from a regional agency most people are unfamiliar with–the Puget Sound Regional Council. In the broadest possible strokes, -
Sea-Tac-Airport-Final-EIS-Feb.-1996-Vol
This page is from the Executive Summary of the Sea-Tac Airport Master Plan Update Final Environmental Impact Statement (EIS), discussing noise mitigation strategies including sound insulation, noise budget limits, nighttime limitations, flight corridorization, and land acquisition in the Approach Transitional Area. It estimates acquisition and relocation costs for approximately 309 residential homes and multi-family buildings at roughly $35 million, referencing an FAA Memorandum dated April 30, 1991. -
2025-12-02So you thought that Sea-Tac expansion was really underway?
Transportation By Mike Merritt December 3, 2025 The Port of Seattle has embarked on a much-needed, massive Seattle-Tacoma International Airport expansion. But the plan is far from taking off. The projects, including a new passenger terminal with 19 new aircraft gates, still must undergo another year of environmental review and win approval by the Port -
Sea-Tac Airport third runway project banner
A stylized graphic depicting an airplane silhouetted against a sunset sky approaching a runway lined with approach lights. The text 'Sea-Tac Airport Third Runway' is displayed prominently, indicating this image relates to the third runway project at Seattle-Tacoma International Airport. -
Airport terminal corridor with temporary construction hoarding panels
A long corridor with white modular hoarding panels framed in aluminum, consistent with temporary construction barriers used during renovation or build-out work. The arched ceiling structure and patterned carpet are characteristic of a major airport terminal passageway. -
2023-08-08Auburn Wetlands site concept design
This map presents the concept design for the Auburn wetland mitigation site as part of the Port of Seattle’s Wetland Mitigation and Habitat Conservation Umbrella Bank Prospectus. The figure shows five delineated wetlands (A through E) along the Green-Duwamish River, with proposed enhancements including wetland re-establishment, buffer enhancement, upland enhancement, and re-routed ditches. The site