Construction work has begun (March 17, 2025) on S.D. Highway 73 from Kadoka, going south for eight miles. The project includes grading, structure replacement, interim surfacing and lighting.

Indigo Farms concerned about Highway 31 expansion Gov ... a year for 30 years or $126 million in all toward the construction of I-73 using hospitality fee revenues, saying at the time there ...

CHESAPEAKE, Ohio — A proposal that directs $2 million for a feasibility study on a proposed Interstate 73 corridor between Toledo and Chesapeake was included in the Ohio Department of ...