Civil - 3d Xref

Before we talk about Xrefs, we must distinguish them from Data Shortcuts (DREFs). This is the most common point of confusion.

Pro Tip: Never Xref a drawing just to get a Surface. Use a Data Shortcut. It keeps your file size small and allows the surface to update dynamically. civil 3d xref

PROJECT_XYZ/
│
├── 00_SURVEY/
│   └── EG_SURVEY.dwg (XREF Source)
│
├── 01_BASE/
│   └── EXISTING_BASE.dwg (XREFs the survey, adds aerial imagery)
│
├── 02_DESIGN/
│   ├── PROPOSED_ROAD.dwg (Host file)
│   └── PROPOSED_UTILITY.dwg
│
├── 03_XREFS/
│   ├── TITLEBLOCK.dwg
│   └── LEGEND.dwg
│
└── _SHORTCUTS/ (Data Shortcut project folder)

Phased Construction: Xref the Previous Phase into the Next Phase drawing for visual context.

Sheet Production: Xref the Design Model into Plan & Profile Sheets for plotting.