The document discusses models for assessing and improving an organization's safety culture maturity. It describes two models - Hudson's model and the 5Cs model - that define stages from reactive/"pathological" to proactive/"generative". The key to progressing is moving from an organization's current state of safety culture to a desired future state. This involves four phases: building new safety systems and processes, engaging employees, developing strong safety leadership, and continually reviewing and improving systems to maintain the culture. Regularly assessing maturity level helps organizations address issues and stay on their journey to a robust safety culture.