And the worst roads
Two per cent of the AusLink road system was rated at two stars.
These worst stretches include:
* The Calder Highway between Kyneton and Bendigo and the Western Highway, between Ararat and Stawell, in Victoria.
* The Bruce Highway, south of Gympie, Queensland.
* The Sturt Highway, west of Renmark, and the Dukes Highway, south-east of Yumali, in South Australia.
* The Great Eastern Highway near Northam, the Great Northern Highway near Bindi Bindi and the Perth-Bunbury Highway between Warnbro and Binningup in Western Australia.