Site Navigation Iowa Minnesota Montana Nebraska North Dakota South Dakota Wyoming     Interstate 29 South Dakota Interstate 29 travels through eastern reaches of South Dakota between Sioux City, Iowa and North Dakota. The freeway replaced U.S. 77 wholesale and merges with the U.S. 81 corridor north of Watertown. Interstate 29 Highway Guides Interstate 29 North (Iowa to Sioux Falls) Interstate 29 North (Sioux Falls vicinity) Interstate 29 South (North Dakota to Sisseton) Interstate 29 South (Sioux Falls vicinity) The town of Elk Point is served by one of two Business Loops of Interstate 29 in South Dakota. Additionally two Business Spurs exist in the state, one in Sioux Falls and an unsigned one designated Loop 29P at North Sioux City. Business Loop Interstate 29 - Elk Point Business Loop Interstate 29 shield posted on 477th Avenue northbound between Exit 15 of Interstate 29 and the transition to Main Street (former U.S. 77). Elk Point appears to double as a bedroom community for Sioux City, Iowa with cookie-cutter type housing nearby. Photo taken 04/20/07./td> Business Loop Interstate 29 (477th Avenue) southbound at the Interstate 29 (Exit 15) diamond interchange. The loop ends here but 477th Avenue continues southward through adjoining farmland. Photo taken 04/20/07./td> Scenes pertaining to Interstate 29 41st Street west at the southbound on-ramp to Interstate 29. Interstate 29 continues to Interstate 229 and Tea on its exit of the Sioux Falls metro area. Photo taken 04/20/07./td> 258th Street westbound at the Exit 86 diamond interchange of Interstate 29. Crooks lies northward via 470th Avenue in 1.9 miles. Photo taken 04/20/07./td> Page Updated March 25, 2008.