On these dates the East Coast main line will have engineering work between Northallerton and Durham.
Most trains to and from Edinburgh will run in two sections- Scotland to Durham and York to London, with a lengthy bus ride Durham to York.
An hourly through train with an extended journey time will run via the County Durham coast.
Also on 10/11 February Kings Cross will be closed. Passengers are diverted from Peterborough by bus to Bedford then East Midlands Railway to St Pancras.