The Des Moines International Airport is expected to double its capacity by 2029 with the completion of its final phase of terminal construction.

With the latest approval to build four new gates, the airport's Lift DSM project is on track to conclude ahead of the initial project timeline. The Airport Authority Board recently approved the final phase of the project, a two-story building that will extend to Fleur Drive.

Lift DSM aims to "build a modern, efficient and welcoming airport," according to a Tuesday, Nov. 4 news release. All of the new terminals will be "modern" while serving more passengers. The Des Moines International Airport had seen an increase in the number of passengers from 2024 as of July.

The expansion would serve the capacity projected through 2050.

After breaking g

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