Sustainable Airport Master Plan near-term projects: StART meeting

The Port of Seattle's October 2025 StART Meeting presentation outlines 31 near-term construction projects proposed under the Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport. The Federal Aviation Administration has completed its environmental review and issued a Finding of No Significant Impact, clearing the way for the projects to move forward. The expansion plans are driven by projected regional population and passenger growth, with SEA expected to serve up to 66 million total passengers by 2034.

Notes

This presentation from the October 22, 2025 StART meeting covers the FAA’s completion of the NEPA Final Environmental Assessment and Finding of No Significant Impact (FONSI) Record of Decision for 31 proposed SAMP projects at Sea-Tac Airport. The presentation outlines why the Port of Seattle is planning for future demand, describes the 31 projects, summarizes the FAA’s NEPA findings, and outlines next steps including a Port-led environmental review and public engagement. Regional growth data projects passenger traffic reaching 66 million by 2034.

V V