I-15 Santaquin Interchange Environmental Assessment
UDOT project page for widening I-15 from south of Santaquin to Payson and reconstructing the Santaquin Main Street interchange, the official location of the Environmental Assessment, FONSI and project documents named in FHWA's limitation-on-claims notice.
UDOT project page. EA issued October 2024; FONSI signed March 2025. The contract's 'North Santaquin Interchange EA' is this project's environmental documentation.
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