SiteVision is a high-accuracy augmented reality system, which allows users to interact with their spatial GIS data in the context of the real world. It enables users to easily understand information such as new designs, existing underground services, and how future landscapes will look over time, without the need to interpret drawings or maps. Overall SiteVision is a productive construction tool, allowing users to plan and visualize the progress on site, complete quality management, and identify issues early reducing costs and time. We will present a real customer example and how they have employed this exciting technology to increase efficiency. There will also be a field session so attendees can experience virtual reality in the field.