The WA Transport Board was established under the State Transport Co-ordination Act to provide for the improvement and co-ordination of transport. The Board was abolished under the State Transport Co-ordination Act Amendment Act 1961 and its functions assumed by the new Department of Transport [I].

With the passing of the State Transport Co-ordination Act Amendment Act, in 1961 the WA Transport Board was abolished and the Department of Transport created. The 1961 created the post of Commissioner of Transport and also set up a Transport Advisory Board to advise the Minister for Transport. The Department of Transport [1] was abolished in 1967 following the passing of the Road and Air Transport Commission Act 1966 which abolished the Transport Commission.

The Department of Transport was abolished and the Transport Commission created following the passing of the Transport Commission Act. Also passed was the State Transport Co-ordination Act, 1966 which appointed a Director General of Transport and also established a Transport Users' Board and a Transport Advisory Council. The Transport Commission administered regulations, licensing requirements and subsidies relating to transport.