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Denver International Airport Announces Plans to Start Work on Pedestrian Walkways Connecting Concourses
The project would repurpose underground baggage tunnels and provide backup access when train outages leave passengers waiting.
On Tuesday, Denver Mayor Mike Johnston and DIA CEO Phil Washington announced plans to construct pedestrian walkways between Concourses A, B, and C for the first time, with design work beginning this year at an estimated cost between $300 million and $700 million.
Train breakdowns totaling 262 times over two years, including a March power outage that grounded all flights, prompted officials to create an alternative people-moving system by repurposing existing baggage tunnels.
The 17-foot-wide walkways will allow travelers to reach Concourse C in 10 to 15 minutes along two one-third-mile paths, opening in 2028 and costing significantly less than building bridges requiring $2 billion to $3 billion.
Washington said the walkways provide crucial redundancy after 31 years without an alternative, while United Airlines Vice President Jonna McGrath and American Airlines Vice President Amanda Zhang praised the project for adding flexibility and reliability.
The walkways support DIA's Vision 100 strategic plan to serve 100 million annual passengers, with the airport planning roughly $12.8 billion in upgrades over 12 years funded entirely by airlines and airport revenues, no taxpayer dollars.