Subdivision development accelerator for all supported releases of Autodesk AutoCAD Civil 3D. ASE Civil provides tools that work inside of AutoCAD & C3D for: Horizontal control, grading/vertical design, detailed paving design, corridor creation, C3D surface creation & management, volume calculations, road profile generation, plan labeling, dynamic symbols, plan & profile sheet view creation & more. ASE Civil take a unique approach to subdivision design, using tools and control systems found in no other application available.