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WASHINGTON, Washington County — A ribbon was cut in Washington, Washington County, on a chilly Tuesday morning, celebrating the completion of the Main Street/Exit 12 highway interchange project. The interchange provides a new on-and-off point for one of southern Utah's rapidly growing communities and marks an end to a project that started in 2017.
The purpose of the new interchange, now the fourth in Washington on I-15, is to help increase mobility and safety on the interstate while also providing better connectivity for Washington and easing traffic congestion around the Green Spring/Exit 10 interchange.
The construction of the new interchange began in the spring of 2023. It coincided with a Utah Department of Transportation project that added a third lane in both directions to I-15 between exits 10 and 13.
The overall cost of the project was $78.3 million, with $2 million of that coming from Washington. The rest of the funding came from the state, Kirk Thornock, director of UDOT's Region 4 area, said prior to the ribbon cutting.
