Here is the recording of the webinar http://civil-community.autodesk.com/2019/06/webinar-computational-design-for-civil-engineers-using-dynamo-for-civil-3d/
The slide deck (.Pdf, 5MB) LINK
The Dynamo graphs (.Zip, 150kB) LINK
The BPMN 2.0 Diagrams (.Zip, 20kB) LINK
Dataset Rail (.Zip, 16MB) LINK
Dataset Roads (.Zip, 45MB) LINK
Dataset Site/Land Development (.Zip, 19MB) LINK