The story of the C Concourse Expansion begins long before the first travelers stepped into the new space. In Part 1 of this three-part series, we go behind the scenes of one of the most ambitious capital projects in the history of Seattle-Tacoma International Airport. From early design concepts and sustainability goals to major construction milestones, hear from the architects, planners, environmental specialists, and Port of Seattle leaders who helped bring the vision to life.

Discover how the project was designed to reflect the spirit of the Pacific Northwest while pushing the boundaries of sustainable airport construction. Learn how innovative ideas, carbon reduction strategies, and a commitment to creating a welcoming passenger experience shaped every stage of the project.