Chapter 70:01:02 - Speed limits
- Section 70:01:02:00 - Interstate highways
- Section 70:01:02:00.01 - Interstate Highway 90 - Sturgis Area - Temporary
- Section 70:01:02:01 - Minnehaha County
- Section 70:01:02:02 - Pennington County
- Section 70:01:02:03 - Brown County
- Section 70:01:02:04 - Beadle County
- Section 70:01:02:05 - Codington County
- Section 70:01:02:06 - Brookings County
- Section 70:01:02:07 - Yankton County
- Section 70:01:02:08 - Davison County
- Section 70:01:02:09 - Lawrence County
- Section 70:01:02:10 - Aurora County
- Section 70:01:02:11 - Bennett County
- Section 70:01:02:12 - Bon Homme County
- Section 70:01:02:13 - Brule County
- Section 70:01:02:14 - Buffalo County
- Section 70:01:02:15 - Butte County
- Section 70:01:02:16 - Campbell County
- Section 70:01:02:17 - Charles Mix County
- Section 70:01:02:18 - Clark County
- Section 70:01:02:19 - Clay County
- Section 70:01:02:20 - Corson County
- Section 70:01:02:21 - Custer County
- Section 70:01:02:22 - Day County
- Section 70:01:02:23 - Deuel County
- Section 70:01:02:24 - Dewey County
- Section 70:01:02:25 - Douglas County
- Section 70:01:02:26 - Edmunds County
- Section 70:01:02:27 - Fall River County
- Section 70:01:02:28 - Faulk County
- Section 70:01:02:29 - Grant County
- Section 70:01:02:30 - Gregory County
- Section 70:01:02:31 - Haakon County
- Section 70:01:02:32 - Hamlin County
- Section 70:01:02:33 - Hand County
- Section 70:01:02:34 - Hanson County
- Section 70:01:02:35 - Harding County
- Section 70:01:02:36 - Hughes County
- Section 70:01:02:37 - Hutchinson County
- Section 70:01:02:38 - Hyde County
- Section 70:01:02:39 - Jackson County
- Section 70:01:02:40 - Jerauld County
- Section 70:01:02:41 - Jones County
- Section 70:01:02:42 - Kingsbury County
- Section 70:01:02:43 - Lake County
- Section 70:01:02:44 - Lincoln County
- Section 70:01:02:45 - Lyman County
- Section 70:01:02:46 - McCook County
- Section 70:01:02:47 - McPherson County
- Section 70:01:02:48 - Marshall County
- Section 70:01:02:49 - Meade County
- Section 70:01:02:50 - Mellette County
- Section 70:01:02:51 - Miner County
- Section 70:01:02:52 - Moody County
- Section 70:01:02:53 - Perkins County
- Section 70:01:02:54 - Potter County
- Section 70:01:02:55 - Roberts County
- Section 70:01:02:56 - Sanborn County
- Section 70:01:02:57 - Spink County
- Section 70:01:02:58 - Stanley County
- Section 70:01:02:59 - Sully County
- Section 70:01:02:60 - Tripp County
- Section 70:01:02:61 - Turner County
- Section 70:01:02:62 - Union County
- Section 70:01:02:63 - Walworth County
- Section 70:01:02:64 - Ziebach County
- Section 70:01:02:65 - Oglala Lakota County
- Section 70:01:02:66 - Transferred
- Section 70:01:02:67 - Todd County
- Section 70:01:02:68 - Speed limits in school zones