TTW
10 Dec 2025
The Port of Seattle has recently unveiled its ambitious near-term expansion plans for Seattle-Tacoma International Airport (SEA), a move aimed at increasing safety and efficiency while preparing the airport for future growth.
With the FAA’s approval of the federal environmental assessment, the proposed projects are now poised to reshape the airport’s infrastructure and enhance its capacity.
The Port of Seattle’s expansion plans are part of a comprehensive effort to enhance Seattle-Tacoma International Airport’s operational efficiency and safety standards.
According to the Port’s published information, the 31 near-term projects will significantly impact the airport’s infrastructure by introducing several key upgrades.
The expansion includes a new terminal featuring 19 additional gates, along with the construction of an automated people mover system.
This system will feature three stations designed to connect the rental car facility, the new terminal, and the main terminal...
