Secretary's Office
- Administration
- Legal Counsel
- Civil Rights, ADA Compliance, EEO
- Labor Compliance
- Federal Program
- Aviation Services
Division of Finance & Management
- Administration
- Financial Systems
- Air, Rail & Transit
Division of Planning & Engineering
- Administration
- Asset Management
- Contracting (Consultants)
- Primavera
- Local Government Assistance
- Transportation Inventory Management
- Non-state Public Road Inventory
- Traffic Monitoring/HPMS Program
- Pavement Condition Monitoring
- CADD Mapping
- Geographical Information System
- Research
- Road Design
- Bridge Design
- Right of Way
- Project Development
- Bid Letting
- Environmental
- Project Planning
- System Planning
- Coordination
- Safety
- Materials & Surfacing
- Certification & Accreditation
- Surfacing Plans
- Geotechnical
- Central Lab
Division of Operations
- Operations Support
- Construction
- Maintenance
- DBE Compliance
- Internal Services
- Internal Audit
- Aberdeen Region
- Aberdeen Area
- Watertown Area
- Huron Area
- Mitchell Region
- Mitchell Area
- Sioux Falls Area
- Yankton Area
- Pierre Region
- Pierre Area
- Winner Area
- Mobridge Area
- Rapid City Region
- Rapid City Area
- Custer Area
- Belle Fourche Area