Free CAD software
Use AutoCAD® Civil 3D® civil engineering design and documentation software to support Building Information Modeling (BIM) workflows.
Corridor data shortcut (DREF) (enhanced)
Create and share data shortcuts for corridors.
Advanced roundabout design
Bring new roundabout designs into Civil 3D.
Corner cleanup for corridors
Easily model shapes at interior/exterior corners.
Get more out of AutoCAD Civil 3D when you connect it with other Autodesk BIM solutions.
Get Civil 3D together with InfraWorks 360, Vehicle Tracker, and Revit in the Architecture, Engineering & Construction Collection.
The AutoCASE extension for AutoCAD Civil 3D automates the valuation process for site and stormwater design within the model environment. AutoCASE provides real-time analysis of the social, environmental, and economic costs and benefits of design alternatives.