| Aurora County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Beadle County |
| Huron |
PTS (People's Transit System) |
| Bennett County |
| Martin |
BCSC (Bennett County Senior Center) |
| Bon Homme County |
| Springfield |
BHCVN (Bon Homme County Volunteer Network) |
| Brookings County |
| Brookings |
BATA (Brookings Area Transit Authority) |
| Brown County |
| Aberdeen |
ARL (Aberdeen Ride Line) |
| Brule County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Buffalo County |
| Fort Thompson |
FTSC (Fort Thompson Senior Center) |
| Butte County |
| Belle Fourche |
BFSC (Belle Fourche Senior Center) |
| Campbell County |
| Herreid |
Community Transit (CT) |
| Charles Mix County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Clark County |
| Clark |
City of Clark |
| Clay County |
| Vermillion |
Southeast Transit (ST) VPT (Vermillion Public Transit) |
| Codington County |
| Watertown |
WAT (Watertown Area Transit) |
| Corson County |
| Fort Yates, ND |
SRPT (Standing Rock Public Transit) |
| Custer County |
| Custer |
CAST (Custer Area Senior Transit) SHTS (Southern Hills Transportation Services) |
| Davison County |
| Mitchell |
Palace Transit (PT) |
| Day County |
| Webster |
NESD (Northeast South Dakota Transportation) Webster Transportation (WT) |
| Deuel County |
| Clear Lake |
DCVS (Deuel County Van Service) |
| Madison |
ICAP (Inter-Lakes Community Action) |
| Dewey County |
| None |
| Douglas County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Edmunds County |
| Ipswich |
BSVS (Bowdle Senior Van Service) Community Transit (CT) |
| Fall River County |
| Edgemont |
EAT (Edgemont Area Transportation) |
| Hot Springs |
Friendship Bus (FB) HST (Hot Springs Transit) |
| Faulk County |
| None |
| Grant County |
| Montevideo, MN |
RIDES (Prairie Five RIDES Transportation Program) |
| Milbank |
Lion Bus |
| Gregory County |
| Burke |
SGOT (Sinte Gleska Oyate Transportation) |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Haakon County |
| Phillip |
HCPT (Haakon County Prairie Transportation) |
| Hamlin County |
| Estelline |
City of Estelline |
| Hand County |
| Miller |
MWC (Meals & Wheels Corporation) Miller Transportation (MT) |
| Hanson County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Harding County |
| None |
| Hughes County |
| Pierre |
RCT (River Cities Transit) |
| Hutchinson County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Tripp |
HCV (Hutchinson County Volunteer) |
| Hyde County |
| None |
| Jackson County |
| Pine Ridge |
WDT (Wakpamni District Transportation) |
| Jerauld County |
| Wessington Springs |
WSSC (Wessington Springs Senior Center) |
| Jones County |
| Murdo |
LWC (Lois Weber Charities) |
| Kingsbury County |
| Madison |
ICAP (Inter-Lakes Community Action) |
| Lake County |
| Madison |
EDT (East Dakota Transit) ICAP (Inter-Lakes Community Action) |
| Lawrence County |
| Deadwood |
Deadwood Trolley (City of Deadwood Trolley System) |
| Spearfish |
PHT (Prairie Hills Transit) SST (Spearfish Senior Transportation) |
| Lincoln County |
| Beresford |
Beresford Transit (BT) |
| Canton |
CTA (Canton Transit Authority) |
| Lennox |
LSC (Lennox Senior Center) |
| Lyman County |
| None |
| Marshall County |
| Britton |
Britton Transportation (BT) |
| McCook County |
| Bridgewater |
BSCV (Bridgewater Senior Center Van) |
| McPherson County |
| Leola |
Community Transit (CT) |
| Meade County |
| Sturgis |
FAPT (Faith-Arrow Public Transit) MCSC (Meade County Senior Center) |
| Mellette County |
| Rosebud |
RSTT (Rosebud Sioux Tribe Transportation) |
| Miner County |
| Howard |
MCT (Miner County Transit) |
| Madison |
ICAP (Inter-Lakes Community Action) |
| Minnehaha County |
| Brandon |
BPT (Brandon Public Transit) |
| Sioux Falls |
SCS (Senior Citizens Services) SFT (Sioux Falls Transit) |
| Moody County |
| Flandreau |
FSB (Flandreau Senior Bus) |
| Madison |
ICAP (Inter-Lakes Community Action) |
| Pennington County |
| Rapid City |
RapidRide (Rapid Transit System, Dial-a-Ride) |
| Wall |
EPCTS (East Pennington County Transit System) |
| Perkins County |
| Lemmon |
APT (Arrow Public Transportation) |
| Potter County |
| None |
| Roberts County |
| Sisseton |
AIVCT (Area IV Community Transit) |
| Sanborn County |
| Artesian |
Artesian Transportation (AT) |
| Letcher |
Letcher Transportation (LT) |
| Woonsocket |
SCT (Sanborn County Transit) Woonsocket Transportation (WT) |
| Shannon County |
| Pine Ridge |
WDT (Wakpamni District Transportation) |
| Spink County |
| Conde |
CSC (Conde Senior Center) |
| Doland |
DSC (Doland Senior Center) |
| Redfield |
RSC (Redfield Senior Center) SCPT (Spink County Public Transit) |
| Stanley County |
| Pierre |
RCT (River Cities Transit) |
| Sully County |
| Harrold |
SCT (Sully County Transit) |
| Todd County |
| Rosebud |
RSTT (Rosebud Sioux Tribe Transportation) |
| Tripp County |
| Burke |
SGOT (Sinte Gleska Oyate Transportation) |
| Winner |
Winner Transit (WT) |
| Turner County |
| Lake Andes |
ROCS Transit (Rural Office of Community Services) |
| Parker |
Parker Cart (PC) |
| Union County |
| Beresford |
Beresford Transportation (BT) |
| Sioux City, IA |
SRTS (Siouxland Regional Transit System) |
| Walworth County |
| Mobridge |
MSCT (Mobridge Senior Center Transportation) |
| Yankton County |
| Yankton |
Senior Bus (SB) Yankton Transit (YT) |
| Ziebach County |
| None |
| Rail (listed by area) |
| None |
| Ferry (listed by area) |
| None |
| Statewide, Intercity & Regional |
| Statewide |
DTA (Dakota Transit Association) SDDOT (South Dakota Department of Transportation) |
| Intercity |
Greyhound (Greyhound Lines) Jefferson Lines (JL) |
| Regional |
None |