A special timetable to run until 2 March is now in operation. The company says services are approaching normal levels of frequency, and are running with better punctuality.
Additional services operate between London and Newcastle in the morning and evening peaks.
Three daily direct train services are now running between Aberdeen and London and GNER's daily service between London and Inverness is running. Two daily direct GNER services are now running between Glasgow Central and London and the GNER weekday service to and from Hull is operating. A temporary timetable is still in place, but with improved running times on most services. The company is reporting that services are running as normal.