Live Chat I-29 Community Nearby Traffic US 81 SD 2024-05-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 81 SD Hetland, SD 9.11 Badger, SD 13.09 Sinai, SD 16.65 Interstate highway exits close to US 81 SD Exit 133, i29 30.84 Exit 140, i29 30.89 Exit 132, i29 31.14 Interstate highways close to US 81 SD i29 map 30.84 i90 map 79.23 i229sd map 93.00 State roads close to US 81 SD US 14 SD map 0.94 US 81 SD map 1.07 SD 324 map 34.22