Thank you for all the nice comments and Likes Gentlemen! I have no TT as of yet. I'm looking at, at least 30" if not 32". With my CSS and Daylight, a 24" TT is too small. The round house is a 3 stall Kober 320 with 2 extra stalls.
Here's that build if your interested.
My Korber #320 Roundhouse Build | O Gauge Railroading On Line Forum (ogrforum.com)