Where Star Ratings provide a measure of risk on a road for the individual roads user, Safer Road Investment Plans (SRIP) identify ways in which fatal and serious injuries  can be improved in a cost effective way.

Safer Road Investment Plans consider more than 90 proven road improvement options to generate affordable and economically sound road improvements that will save lives. These road improvement options range from low-cost road markings and pedestrian refuges to higher-cost intersection upgrades and full highway duplication.

The SRIP is produced in 3 key stages: