I want to add to this list a bit by including some more interesting details about the plan for RUS. Due to this project, there will naturally be a need for increased capacity at RUS for intercity + commuter rail service.
There were three different options raised on how to achieve this (which I would show pics of, but on mobile and a little inebriated); however, the lowest-cost solution that NCDOT also preferred was for a portion (<1/2) of the future S-line platform to be built north of the station building. Then, Piedmont trains will service the new S-line platform, and commuter + intercity trains (Carolinian, Silver Star) will serve the current platform.
If memory serves, there are concerns about parallel entry to the existing platform area that are preventing a 2nd island platform from being constructed parallel to the current one for GTCR. I feel okay about the (seemingly) preferred alternative, but seems odd that the area next to the current platform was always planned for commuter rail and it just… won’t work.
Anyways… exciting stuff!