South Dakota State Route 42 is a east-west highway in Southern Minnehaha County. This runs through Downtown Sioux Falls. In the Mid-1990's SD St Rt 42 was extened along a old alignment of SD St Rt 38 from Sioux Falls to the South Dakota/Iowa State Line. SD St Rt 42 passes thorugh the following towns in Minnehaha County. Sioux Falls
East Sioux City Rowena SD St Rt 42 is multi-plexed in Minnehaha County. South Dakota State Route 19, near Monroe. Downtown Spur I-29, at Sioux Falls.
SD St Rt 42 intersects the following highways in Minnehaha County. South Dakota State Route 19, near Monroe. South Dakota State Route 19, near Monroe. Interstate 29, at Sioux Falls.
A guide sign on BS I-29. (April, 2004) A BGS on SB I-29. A BGS on NB I-29. EB DWTN Spur I-29/SD St Rt 42 at Holly in Sioux Falls. EB DWTN Spur I-29/SD St Rt 42 in Downtown Sioux Falls. Guide markers on SB SD St Rt 115. EB DWTN Loop I-229/SD St Rt 42 in Downtown Sioux Falls. WB DWTN Loop I-229/SD St Rt 42 on the eastside of Sioux Falls. Downtown is in the distance. A BGS on SB I-229. EB SD St Rt 42 near I-229. EB SD St Rt 42 on the eastside of Sioux Falls. A junction marker on NB SD St Rt 11. A street sign at the Iowa/South Dakota State Line. NOTE: The patch for "42" this covers a "38". WB SD St Rt 42 at the Iowa/South Dakota State Line.
