Adjustment on a Closed-Connecting Traverse
Traverse Adjustment Closure and Angular Balancing on an open Traverse
Autodesk's Alan Gilbert walks through how to employ the Civil 3D 2016+ Traverse Adjustment tool to check closure and angular balancing
on a closed-connecting traverse. In other words - not a closed loop traverse.
Video from Alan's YouTube Channel.
and the Civil Immersion blog.
There are a few important nuances from the Civil 3D help files for both the Traverse Editor and the Traverse Adjustment tool employed here you should be aware of.