Transport Department has the following Attached Authority at Provincial Level and subordinate Authorities/ offices at division level i.e. Regional Transport Authorities.
- Provincial Transport Authority Balochistan (PTA)
- Office of Regional Transport Authority Quetta Division.
- Office of Regional Transport Authority Kalat at Khuzdar
- Office of Regional Transport Authority Sibi Division
- Office of Regional Transport Authority Zhob at Loralai Division.
- Office of Regional Transport Authority Rakshan at Kharan Division.
- Office of Regional Transport Authority Mekran at Kech.
- Office of Regional Transport Authority Nasirabad at D.M. Jamali.
- Sub Office of RTA Mekran at Gwadar.
- Sub Office of RTA Kalat at Hub Chowki
