Catoosa Interchange Project Delayed and Over Budget

Oklahoma transportation officials cite supply chain issues and rising costs as factors behind the project's setbacks.

Published on Feb. 4, 2026

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The ongoing interchange project at State Highway 66 and I-44 in Catoosa, Oklahoma is facing significant delays and increased costs, according to the Oklahoma Department of Transportation. Officials cite supply chain disruptions and rising material prices as the primary factors behind the project's setbacks.

Why it matters

This project is a critical infrastructure upgrade for the Tulsa metropolitan area, aiming to improve traffic flow and safety at a major highway interchange. Delays and cost overruns could impact the timeline for completion and the overall budget, potentially affecting other planned transportation projects in the region.

The details

The interchange project, which began in 2024, was originally slated for completion by the end of 2025. However, the Oklahoma Department of Transportation now estimates the project will not be finished until mid-2026 at the earliest. Additionally, the total cost of the project has increased by over 15% from the initial $45 million budget, with officials blaming supply chain issues and rising prices for construction materials.

  • The interchange project began construction in 2024.
  • The project was originally scheduled for completion by the end of 2025.
  • The new estimated completion date is now mid-2026.

The players

Oklahoma Department of Transportation

The state agency responsible for overseeing and managing the Catoosa interchange project.

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What’s next

The Oklahoma Department of Transportation plans to provide regular updates on the project's progress and any further delays or cost increases.

The takeaway

This project setback highlights the ongoing challenges that infrastructure projects are facing nationwide due to supply chain disruptions and rising material costs, underscoring the need for robust contingency planning and flexible budgeting for critical transportation upgrades.