| Institutions under the purview of the Ministry | Main Responsibility |
| Departments Department of Motor Traffic (DMT) |
Registration and Licensing of Vehicles. Issue of Driving Licenses |
| Sri Lanka Railway (SLR) | Passenger and Freight Transport by Rail |
| Statutory Boards Sri Lanka Transport Board (SLTB) |
Public Road Transport Service |
| Public Enterprises National Transport Medical Institute (NTMI) |
Examine the Physical and Psychological Fitness of applicants prior to issuing the driving licenses for heavy vehicles. |
