Civil 3D: Dynamic ROW & Easements using Offset Alignments

September 30, 2025 Leo Lavayen

Since the “Siteless” options was made available within Autodesk Civil 3D, Alignments have defaulted to the “<None>” site. When placing an Alignment in a Site they may end up creating more problems than anything. One use I found for Sites is creating dynamic offsets to represent Right-Of-Ways or Easements.

Once the Offset Alignments have been created and moved into a Site if they touch a parcel it will automatically split them. If the Centerline is edited the offset will be updated too.

About the Author

Civil Applications Expert<br><br>As an Applications Expert, Leo is responsible for supporting, training and implementation of software for survey and civil engineering professionals. He has more than 20 years of experience helping large and small, public and private clients in the eastern United States.
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