Syncrotess Optimization Plus (SOP) is INFORM’s modular AI-driven optimization suite designed to maximize performance in stacked intermodal terminals. As an add-on solution, SOP integrates seamlessly with existing Terminal Operating Systems (TOS), enhancing operational intelligence without requiring a system replacement. SOP combines the intelligent stack management in form of INFORM’s Yard Optimizer and its Crane Optimizer within a simple, intuitive user interface. The Yard Optimizer intelligently assigns storage locations, minimizes rehandles, and reduces container travel distances within the yard. The Crane Optimizer coordinates crane movements to reduce empty travel, increase lift productivity, and extend equipment lifetime. Together, these modules create measurable impact: fewer rehandles, lower energy consumption, improved resource utilization, enhanced safety, and higher overall terminal productivity. By enabling terminals to operate stacked yards efficiently and sustainably, SOP transforms space constraints into scalable performance advantages. Designed for real-world operations and already running live at major North American intermodal terminals, SOP proves that stacked terminals can operate smarter, faster, and more sustainably – without compromising customer service.