Those who are
verbeamtet will not be on strike as they are not allowed to strike. It's other public employees who are striking in public transit, trash services, airport services, etc.
Frankfurt public transit will be affected tomorrow, Thursday, March 6:
http://www.vgf-ffm.de/vgf/5755.jspBuses, trams, and U-Bahn will not be running, with a few exceptions.
The Trafiq-operated buses (lines 24-29, 56, 60, 69, 71-73) are expected to run.
VGF and ICB-operated buses may run (lines 30 -39, 42-44, 50-55, 57-59, 61, 63, 64, 66, 68, 78, 79)--contingent on the drivers being able to get out of the depots.
The S-Bahn should be okay.