Big Sioux South Dakota Traffic 2024-11-30 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Big Sioux South Dakota North Sioux City, SD 2.11 mi Sioux City, IA 3.10 mi South Sioux City, NE 7.89 miInterstate highway exits close to Big Sioux South Dakota Exit 4, i29 0.72 mi Exit 2, i29 1.02 mi Exit 9, i29 2.10 miInterstate highways close to Big Sioux South Dakota i29 map 0.72 mi i229sd map 112.28 mi i680ne map 122.25 miState roads close to Big Sioux South Dakota IA 12 map 2.17 mi US 20 NE map 6.40 mi US 77 NE IA map 7.12 mi