South Dakota State Route 115 is a north-south highway in Central Minnehaha County. This runs just east of Interstate 29. SD St Rt 115 passes through the following towns in Minnehaha County. Dell Rapids Sioux Falls
SD St Rt 115 is multi-plexed in Minnehaha County. Downtown Spur I-90, at Sioux Falls.
NB SD St Rt 115 north of I-90. A BGS on EB I-90. SB DWTN Spur I-90/SD St Rt 115 at 60th Street. A guide marker on SB DWTN Spur I-90/SD St Rt 115. A guide marker on NB SD St Rt 115 at Cliff and Benson. NB DWTN Spur I-90/SD St Rt 115 near Joe Foss Field. A close-up of the BGS's from the picture above. SD DWTN Spur I-90/SD St Rt 115 north of Downtown Sioux Falls. A junction marker on EB DWTN Spur I-29/SD St Rt 42. SB DWTN Loop I-229/SD ST Rt 115 south of downtown. BGS on NB I-229.