The Cross River Rail project in Brisbane, Australia, aims to address population growth challenges by constructing the city's first underground railway system. Leveraging advanced geospatial technologies such as GIS, BIM, VR, and digital twins, the project navigates complex urban environments and optimizes resource allocation. Spatial coordination and clash detection are streamlined, enhancing decision-making and stakeholder engagement. Ultimately, these innovations revolutionize urban development and transportation, showcasing the transformative power of geospatial solutions in modern infrastructure projects.