Notes

Yankton is a regional center located in southeastern South Dakota along the Missouri River. U.S. Highway 81 and State Highway 50 intersect here and provide multiple transportation routes from Yankton. U.S. Highway 81 connects to Interstate 90 to the north, and Interstate 80 to the south. State Highway 50 provides 4-lane, 70 mph access to Interstate 29 to the east. BNSF provides rail service to area industry and agriculture.