Design roads, highways, and corridors that cost less to build. Adding optimization to your geometric design process allows you to deliver a lower-cost design. It also allows you to design faster. Softree Optimal is a patented road (alignment) optimization add-on to RoadEng. Use the Path Explorer AI tool to quickly determine feasible corridor options on your terrain model. See optimized route options in minutes. ​​​​​​​ Use Vertical Optimization to minimize cuts & fills and material movement costs, balancing your earthworks. ​​​​​​​Save 10-30% on your subgrade construction costs with road optimization.