Rail services on the East Coast main line are expected to be back on track on Monday after two days of disruption.
Chaos was caused on the route between London King's Cross and the north of Scotland after overhead power cables were damaged in two separate incidents.
The problems occurred near Grantham in Lincolnshire on Saturday, and at Copmanthorpe in Yorkshire on Sunday.
East Coast said both incidents had been fixed and trains were expected to run to scheduled timetables on Monday.
Some 70 out of 102 services were affected on Saturday after 200 metres of overhead equipment was damaged between Stamford and Grantham, affecting all four sets of tracks on the main line route.
Trains were unable to run between Peterborough and Grantham as a result.
On Sunday, diesel trains carried passengers through the affected area south of York, but travellers faced delays of up to an hour.
Three trains from Edinburgh to London were cancelled as a knock-on effect from Saturday's disruption.
Network Rail said it could take "a couple of days" to establish the cause of the damage to the power lines in both cases.
Government-owned rail company East Coast runs trains between London King's Cross, the East Midlands, Yorkshire, North East of England and Scotland.
It operates 155 services on weekdays, 102 on Saturdays and 99 on Sundays.