Civil 3D®, civil engineering design software, supports BIM (Building Information Modeling), with integrated features to improve drafting and design. Based on project constraints, conduct grading design studies. Grading Optimization is only available in Civil 3D as part of the Architecture, Engineering & Construction Collection. You can transform the way you navigate, visualize, interact, and interact with Civil 3D design model models. Project Explorer is an extension that can be used in Civil 3D through the Architecture, Engineering, and Construction Collection. With Civil 3D®, civil engineering design software, you can create more efficient workflows for surface and corridor modeling, site design and storm planning, as well as plan production and documentation. Access Civil 3D files, data shortcuts and xrefs securely from multiple locations and companies in a single data environment.