Location: I-90 Business and Old Hwy 16, Kadoka Reassurance shield as the business loop begins. Location: I-90 Business and Old Hwy 16, Kadoka Welcome to Kadoka! Location: I-90 Business and Old Hwy 16, Kadoka In a block, 90 Business will split to head east into Kadoka. Location: I-90 Business and Old Hwy 16, Kadoka Turn … Continue reading South Dakota Highway 73, I-90/I-90 Bus to I-90 Bus