Fixing Victoria's top regional road and public transport deficiencies will cost at least $4.6 billion over the next 10 years, according to the RACV.

The funds would pay for the duplication of the Princes Highway from Traralgon to Sale and Geelong to Colac. The complete duplication of the Western Highway from Ballarat to Stawell also makes the RACV’s regional priority list. RACV general manager of public policy Brian Negus said delays in starting the…