Transportation Department 47936 Us Highway 18 Canton, SD 57013 Phone : (605) 987-2461 Business Category Port Authorities South Dakota State Of--canton, Dept Of Transportation Canton, SD 57013 Phone : (605) 987-2461 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools South Dakota State Of--department Of Transportation Canton, SD 57013 Phone : (605) 987-2461 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools