The $3B Overhaul Transforming St. Louis Airport

St. Louis Lambert International Airport is making a rare move in U.S. aviation infrastructure: it plans to consolidate the entire passenger operation into one terminal complex and then take Terminal 2—opened in the late 1990s—out of service. This video breaks down why the airport is doing it, what the Consolidated Terminal Program actually builds, and how the construction sequence is designed to keep STL operating while concourses, roadways, utilities, and support facilities are rebuilt. We’ll walk through the legacy layout, the bottlenecks created by two separate processing systems, and how a single check-in and security “spine” changes peak-hour performance. Then we’ll step through the major work packages: enabling demolitions, new concourses, a rebuilt arrivals and international-processing system, a new stacked curb and ground transportation center, and major airfield-support upgrades that protect winter reliability. Finally, we’ll put the cost and regional impact claims in context.

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