As Collin County continues to experience rapid growth, planning efforts are moving forward on a major transportation project intended to improve future mobility across the region.

Collin County is advancing work on Segment 5 of the planned Collin County Outer Loop, a roughly 21-mile corridor extending from State Highway 121 near Anna to U.S. Highway 380 near Farmersville in northeast Collin County. Officials say the project is intended to address future transportation demands as the county’s population continues to increase.

According to project information, Collin County is currently the sixth-most populated county in Texas and is projected to grow by approximately 70% between 2026 and 2050. County officials said long-term transportation planning will be critical to maintaining regional connectivity.

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