The City of Swan is the largest metropolitan local government by land area in Western Australia, covering 1042km2 with 168,000 residents. The City's Construction & Maintenance team of 230 staff maintains the $3.4 billion of infrastructure for this growing community. The City developed a Just Culture Framework to assist leaders to positively change behaviours within their teams. The Construction & Maintenance team led this implementation with positive outcomes - this presentation explores the journey.