(19 Jul 2020, 5:54 pm)deanmachine wrote X10E is probably the destination code for the evening X10 that serves both routes, it'll probably be called X10E in the system if it's an automated tweet, as it might be X10E on the ticket machine too.

Was more for the "Tyne Tess" typo that Streetdeckfan was pointing out. Would, like you say, assume X10E is a reference used either within GNEs systems, or the ticket machines.