The functionality is documented here:
- Saving a traverse—Help | ArcGIS Desktop
- Loading a traverse—Help | ArcGIS Desktop
- Traverse file format—Help | ArcGIS Desktop
We would like to get your feedback if exporting importing traverse files should be exposed as a geoprocessing tool.
How and why are you using traverse files?
- Backup purposes
- As a report - to compare with the legal document
- Both of the above
- Other - please specify
The ArcGIS Pro Traverse functionality documentation: Create a traverse—ArcGIS Pro | ArcGIS Desktop