care of the state's major roads from local municipalities. (Geelong-)Inverleigh Road from Geelong to Inverleigh was declared a Main Road on 16 March 1914, and Cressy-Inverleigh Road from Inverleigh to Cressy was declared a Main Road on 9 June 1925.

The passing of the Highways and Vehicles Act 1924 provided for the declaration of State Highways, roads two-thirds financed by the state government through