Location: US-18 and SD-79, Fall River Cty Reassurance shield as 79 joins the concurrency. 79 will be redundant for the remainder of its length, dead ending at the Nebraska State Line. Location: US-18 and CR 1, Fall River Cty Reassurance shield a few miles later. This segment of the highway retains US-385/SD-79’s mileposts. Location: US-18 … Continue reading U.S. Route 18, SD-79 to US-385/SD-79