I-40 Douglas Boulevard Completion Ends Historic Interchange Project

The I-40 Douglas Boulevard interchange project in Midwest City, OK was completed, marking a historic milestone. The $170M project transformed the interchange into a modern SPUI, enhancing traffic flow and safety. With more than 6 miles of I-40 widened, connectivity across eastern Oklahoma County was improved. Leaders celebrated the project's completion, emphasizing its importance for the region's growth and development.

Construction Equipment Guide April 2, 2026

The project was completed by Allen Contracting Inc. and Shell Construction Co. Inc.

Federal, state and local leaders gathered on March 11, 2026, at Interstate 40 and Douglas Boulevard in Midwest City, Okla., to cut the ribbon and open the more than $170 million U.S. Senator James Inhofe interchange.

The ceremony celebrated the completion of one of the largest highway construction contracts in Oklahoma Department of Transportation history and honored the legacy of Inhofe.

The project was completed by Allen Contracting Inc. and Shell Construction Co. Inc.

The project transformed the interchange into a modern Single-Point Urban Interchange, also known as a SPUI, designed to improve traffic flow and enhance safety while minimizing impacts to surrounding properties. This is now the fourth SPUI on Oklahoma's state highway system, joining I-40 and Morgan Rd.; Interstate 35 and Main Street in Norman; and I-35 and Lindsey Street in Norman.

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