Considering what new German route to buy and want to see what compliments your current routes? I think this is right - let me know if you spot anything please! RT DB BR 182 adds extra passenger services RSN BR 155 adds a few extra freight services MSB Standalone RRO RSN adds regional passenger services. MSB adds Regio passenger services HRR MSB adds dostos and freight SKA MSB adds dostos and freight, RRO adds freight and S-bahn HMA HRR adds BR425 regional services, RRO adds freight, MSB adds dostos and freight
https://docs.google.com/spreadsheets/d/1W5-ueaP4-UmdhZMKpdH0yTADmY4gNyMw_dRNi86G57o/edit#gid=0 There's this spreadsheet I was sent a while back. Don't know who the author is but full credit to them.
MSB RSN adds BR 143, both freight and passenger services RT adds BR 182, not sure if new services are added to timetable (as opposed to substituting for the BR 146) BR 155 adds extra freight services BR 204 adds shunting/slow freight services