VBB GTFS data:
GTFS-VBB-20181214.zip
found on https://www.vbb.de/unsere-themen/vbbdigital/api-entwicklerinfos/datensaetze/alte-datenstze
download Link: https://www.vbb.de/media/download/5329
license CC-BY, by „VBB Verkehrsverbund Berlin-Brandenburg GmbH“

Service interruptions due to construction work can be found in BVG customer magazine december 2018:
https://unternehmen.bvg.de/de/Unternehmen/Medien/Kundenmagazin-PLUS/2018-1
https://unternehmen.bvg.de/de/index.php?section=downloads&cmd=318&download=3448

(or see shared-svn/studies/countries/de/open_berlin_scenario/be_5/pt/matsim-berlin_5-5-x_revisedTransitSchedule)

p.38-45
only minor service interruptions on Thursday 2018-12-20:

S-Bahn: all service normal

U-Bahn:
U7 passes U Zwickauer Damm without stopping
U7 passes U Eisenacher Str. without stopping in direction U Rudow
U9 S+U Zoologischer Garten <> U Guentzelstr.: no subway service at night / rail replacement buses 23:00 - 5:30

Tram:
62 Betriebshof Koepenick - Wendenschloss no tram service / rail replacement bus

Bus:
some deviations on minor bus lines