BRTA is a regulatory body to control manage and ensure discipline in the road transport sector and road safety related areas in Bangladesh. It is an authority under the Ministry of Communication for carrying out the purposes mentioned in the Motor Vehicle Ordinance, 1983. The Chairman is the chief executive of the authority. He exercises such power and performs such function as prescribed by rules and assigned by the government from time to time.

As per revised organogram total number of circle is 62 (57 District Circle + 5 Metro Circle). At present 31 circles are working where 32 AD (Engg.) is posted as head of the office. Rest of the sanctioned circles are administered from near by circles (31 circles)

According to revised organogram the number of sanctioned office staff is 573 out of which 282 are working presently. The remaining post are in the process of recruitment.
Circle offices of BRTA are headed by Assistant Director (Engg.) and the divisional offices by Deputy Director (Engg.).