Autodesk® AutoCAD® Civil 3D® Autodesk® AutoCAD® Civil 3D® is a civil engineering design and documentation software that supports Building Information Modeling (BIM) workflows by extending the value of the model. With a focus on optimizing a variety of civil infrastructure project workflows, such as roads and highways, land development, rail, airports and water, Civil 3D helps civil infrastructure project teams improve delivery, maintain more consistent data and processes, and respond faster to project changes. Civil 3D helps organizations streamline time-consuming tasks such as intersections, roundabout and corridor design, parcel layout, pipes and grading with specific tools and customizable design standards. Civil 3D is also available as part of the Autodesk Architecture, Engineering and Construction Industry Collection.