| Organization structure |
| General Department of Administration and Finance |
Department of Administration |
| Department of Personal Affairs |
| Department of Finance |
| Department of International Cooperation |
| Department of Legal Affairs |
| General Department of Planning and Policy |
Department of Planning |
| Department of Information System Management |
| Department of Policy |
| Department of Monitoring and Evaluation |
| General Department of Techniques |
Department of Road Infrastructure |
| Department of Public Infrastructure |
| Department of Techniques |
| National Institute of Technical Training |
| General Department of Public Works |
Department of Expressway, Bridge, and Investment |
| Department of Sewage System and Engineering |
| Department of Equipment and Road Construction |
| Department of Repair and Maintenance |
| General Department of Land Transport |
Department of Land Transport |
| Department of Road Safety |
| Department of Urban Public Transport |
| General Department of Waterway and Maritime Transport, and Ports |
Department of Waterway Transport |
| Department of Maritime Transport |
| Department of Port Administration |
| Department of Waterway Infrastructure and Port Construction |
| General Department of Logistics |
Department of Logistic Information |
| Department of Logistics |
| Department of Logistics Cooperation |
| Department of Survey Reports |
| General Inspectorate |
Department of IT and Public Relations |
| Financial Monitoring Union |
| Department of Internal Audit |
| Department of Railway |
| Procurement Union |
| Port Authority |
Sihanoukville Autonomous Port |
| Phnom Penh Autonomous Port |
| Other agencies |
Techo Sen Institute of Public Works and Transport |
| Municipal and Provincial Department of Public Works and Transport |
| Kampuchea Shipping Agency and Brokers (KAMSAB) |
| Laboratory of Construction and Public Works |