Civil 3D Practice Test 2026 – Your All-in-One Guide to Mastering Civil 3D Success!

Parcel creation in Civil 3D is done within a single site. All boundary segments that form a parcel must be located inside the same site because the site provides the context for parcel definitions—everything from the layers and rules to the ownership and reporting of that parcel. If boundary segments come from different sites, there’s no unified site context to attach the boundary to, so Civil 3D cannot create a single parcel from those segments. The practical implication is to ensure you start with one site and draw or move all boundary segments into that same site before creating the parcel. If a boundary truly spans different site contexts, you would typically split it into separate parcels, each within its respective site.