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Obtain level feature lines from a surface or relative to a surface, so feature lines update with changes to the surface.
Create dynamic offset profiles using a default crossfall. Modify them by editing the profile properties.
Create a new dynamically linked alignment and profile that transitions between 2 intersecting alignments and their profiles.
Resize pipes and reset inverts and compute the energy and hydraulic gradient lines per HEC-22 2009 standards.

Connect design to detailed engineering
AutoCAD Civil 3D + InfraWorks
Quickly model your project in InfraWorks. Then, work in AutoCAD Civil 3D to further develop detailed engineering and analysis of the model.

Integrate civil structure design
AutoCAD Civil 3D + Revit
Create bridge models in AutoCAD Civil 3D. Easily transition bridge parameters to Revit, where you can complete additional structural modelling.