May 28, 2020 – Autodesk released the CPIXML Extension for Civil 3D 2020
The CPIXML Extension for Civil 3D 2020 is available via the Autodesk Desktop Connector app or via download from the Autodesk subscription site.
The update requires access to the original install resources.
CPIXML Extension for Civil 3D 2020
The Autodesk Civil 3D CPIXML Exporter allows a Civil 3D Model to be exported to the CPIXML file format to be used by external applications for 4D BIM, 5D BIM and coordination processes. In addition to the model hierarchy, the geometries elements and the predefined and user defined property sets can be exported.
Read the Readme