The integrated policy will be designed as far as possible to overcome existing delays, bottlenecks and congestion and to provide the consumer with greater choice by offering alternative modes of transport.

Through the integrated approach the Department will develop and implement policies designed to improve regional balance, and reduce rural isolation and social exclusion.Specific responsibilities which come under the aegis of the Minister for Transport in relation to national roads and to road transport in general include: delivering on the national roads programme as part of the national development plan; implementing the government's road safety strategy and related policies for the regulation of vehicle standards; road haulage licensing; driver licensing; and driver testing.

The Department of Transport and Power was created by the Ministers and Secretaries (Amendment) Act 1959.

The Department of the Public Service was created by the Ministers and Secretaries (Amendment) Act 1973.

The subsequent changes to the department name and functions are shown in detail at the departmental page.