SEA Sustainable Airport Master Plan (SAMP): Environmental review

The FAA released a draft Environmental Assessment in October 2024 for Seattle-Tacoma International Airport's Sustainable Airport Master Plan (SAMP), which outlines 31 near-term projects to expand airport capacity for growing passenger demand. Key projects include a new passenger terminal and gates, taxiway extensions, cargo facility changes, and employee parking updates. The cities of SeaTac, Burien, Des Moines, and Normandy Park are collaborating to submit technical comments on the plan before the December 13, 2024 deadline.

Notes

A December 2024 presentation to the SeaTac City Council providing an informational briefing on the FAA’s draft Environmental Assessment for the Sustainable Airport Master Plan (SAMP), released October 21, 2024. The presentation outlines the 31 near-term projects in the SAMP, the NEPA/SEPA environmental review processes, and anticipated technical comments from the City of SeaTac and a four-city collaborative including Burien, Des Moines, Normandy Park, and SeaTac.

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