There is no obvious end to it. The tube strikes are still on in the New Year and word is awaited on new strike dates on National Rail- that was expected on Friday after the ASLEF executive met, but has been deferred.
One of my local major employers has been notified of expected rail strikes until June, and has accordingly now chartered buses to get employees to work at Sellafield, due to serious rail reliability problems.
On the tube the RMT are still disputing the pay offer but ASLEF have accepted it. However TfL won't pay anyone the increase until all unions accept it- so an interesting situation.
Although there is no current overtime ban Avanti and Northern trains have had massive problems today with large numbers of staff failing to present for work.
EDIT- This is the thread about the underground/tube disputes which are upcoming- https://community.ricksteves.com/travel-forum/england/london-underground-strikes-5-to-12-january-2024