Chester-le-Street and Yarm usually lose all service the second there’s the slightest bit of disruption on the North TPE route. Whilst Thirsk loses all bar GC.
It’s completely unacceptable when these stations lose all service despite not being in the disruption area - granted Thirsk was last night but the other two weren’t and Chester-le-Street especially should have been easy enough to serve with a shuttle, which would also have kept Newcastle - Durham/Darlington passengers moving too.
Bit difficult to serve Yarm with no ability to turnback from here, which would lead to an "additional service" not booked to call at Eaglescliffe... calling... and shunting to go back to Redcar (?)... when you can argue there is a perfectly good Northern service already on this route which would get the disrupted passengers just as far - without screwing over the rest of the Saltburn/Darlington/Bishop Auckland circuit.
To serve Yarm at the very least would require a move towards Northallerton to then return back - but as per agreed contingency plan 2tph - TPE, along with Cross Country are removed due to capacity restrictions.
At Northallerton you can not depart in passenger service from the Up Platform to Yarm as this would be on GPLs, so would be non passenger move... and no you can not shunt to get onto the Down Platform either via Low Gates, or reverse at Northallerton East Junction or Thirsk... to the limits of the ESW.
As whatever you are doing is bringing an additional train onto York North Workstation Panel, where the signaller is already dealing with all aspects (no pun intended) of this incident from authorising trains movements, to being the point of contact for S&T, MOM(S) and Control... as well as the neighbouring box "wanting the slot".
However in this instance, there was a freight stood (6D43) on the Up between Yarm and Northallerton.
Chester Le Street is though an interesting case, and whilst there was one "additional" working - Darlington to Newcastle, this was aset off a southbound service which couldn't go any further. (9M16>9G16 1740 DAR NCL - in the path of 9E15 stopped at York). What I can't see is what combination of crews, with route knowledge - hours left in their day TPE, would have had at Newcastle to provide/sustain a Chester Le Street service.