The department is led by the Minister for Transport.

The official headquarters and ministerial offices of the department are in Leeson Lane, Dublin.

[2] The departmental team consists of the following: Among the State Agencies that report to, are appointed by the Minister, or are otherwise affiliated to the department are: Among the state-sponsored bodies sponsored by the Minister are: The Department of Transport and Power was created by the Ministers and Secretaries (Amendment) Act 1959 with Erskine H. Childers as its first minister.

[4] Thekla Beere was appointed as the Secretary of the Department in that year, making it the first government department to be led by a woman.

On 2 January 1984, the Department of Transport was abolished under the Ministers and Secretaries (Amendment) Act 1983.