Austroads research report AP-R562-18: Best Practice in Road Safety Infrastructure Programs identifies that a systematic approach to minimising risk through infrastructure is a sustainable approach to risk management in the road environment.
The Victorian Safe System Road Infrastructure Program (SSRIP) (now the Safer Roads Program) is highlighted in the report as an example of this best practice through a clear strategic direction, intelligent risk identification, countermeasures deployed to address systemic risks and monitoring and evaluation of the effectiveness.
The Safe System in action.
See their interactive map here

Austroads Research undertaken by Abley and Safe System Solutions Pty Ltd.
Paul Durdin, Dale Harris, Dave Smith, Allison McIntyre, Kenn Beer.
Austroads Project Manager: Joseph Le