> For the complete documentation index, see [llms.txt](https://docs.bimformative.com/civilconnection/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bimformative.com/civilconnection/introduction/civilconnection.md).

# CivilConnection

## What is CivilConnection?

CivilConnection is an open-source Dynamo package that enables interoperability between Autodesk Civil 3D and Revit.

The package allows users to access Civil 3D objects directly from Dynamo, exchange geometry and metadata between Civil 3D and Revit, automate infrastructure workflows, and build custom BIM integrations.

CivilConnection acts as a bridge between infrastructure design and Building Information Modeling (BIM), enabling engineers, BIM specialists, and computational designers to work with both platforms in a unified workflows.

## Key Features

### Civil 3D Object Access

Access and query:

* Alignments
* Profiles
* Surfaces
* Corridors
* Baselines
* Baseline Regions
* FeatureLines
* Cogo Points
* Point Groups

### Geometry Exchange

Import and export:

* Points
* Curves
* Polylines
* Solids
* Surfaces

between Revit and Civil 3D.

### Corridor Analysis

Extract:

* Corridor Featurelines
* Corridor Shapes
* Corridor Links
* Corridor Surface Boundaries
* Corridor Surface Masks

for advanced Dynamo workflows.

### CivilPython Integration

CivilConnection use CivilPython to provide functionality not exposed through the COM API, including:

* Corridor XML exports
* Land Featureline exports
* TIN Surface creation
* Property Set automation

### Supported Versions

CivilConnection 8.0 supports

* Revit 2023
* Revit 2024
* Revit 2025
* Revit 2026
* Revit 2027

and corresponding Civil 3D releases.

### Open Source

CivilConnection is originally developed by **Autodesk Consulting,** the updated and extended version maintained by [Atul Tegar](https://github.com/atultegar), and is available as an open-source project.