The Port of Seattle Commission has authorised more than 250 million USD in spending to advance two additional projects as part of the ongoing modernisation of Seattle-Tacoma International Airport (SEA).

SEA recently completed improvements to one million square feet of new and upgraded space, including a modernised N Concourse and a new International Arrivals facility.

Following this undertaking, SEA now plans to invest over 4.6 billion USD in modernisation projects over the next 5 years to make the airport experience more convenient for passengers.

SEA Modernisation
South Concourse Evolution project rendering
Port of Seattle Commissioner Sam Cho said:

The modernised N Concourse and new International Arrivals facility launched a new era for SEA. Passengers already can experience the night and day difference where we offer the most modern facilities, amenities, and sustainability. We are working to bring that experience across the entire airport so passengers can travel with more space, less time in line, and an overall more predictable experience.

The Port of Seattle Commission has now approved 159.5 million USD for its SEA Gateway Project and 100 million USD for the S Concourse Evolution.

The SEA Gateway Project is a partnership with Alaska Airlines to modernise the 40-year-old ticketing, security and bag claim areas in the terminal’s north end.

SEA Modernisation
SEA Gateway project rendering

Meanwhile, the S Concourse will be redesigned to offer more amenities, brighter spaces, and an improved passenger journey.

SEA Managing Director Lance Lyttle said:

SEA has been one of the fastest growing airports for a decade, mirroring the growth happening in the region. During peak periods our terminal is stretched to its max, making it a challenge to deliver the efficient, predictable experience that passengers deserve. To hit our efficiency and customer service goals we need to build up, modernise where we can, and introduce new technology.

Commissioners have also approved funding for the fifth and final phase of the Restroom Renovation Project which provides brighter lighting, water-saving fixtures, touchless features, more accessible stalls and enhanced art features in restrooms across the airport.


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