Engineering work is taking place between Potters Bar and Biggleswade, closing all lines.

Grand Central:

There will be no trains between London Kings Cross and Bradford Interchange / Sunderland.

The following additional services will run:

Saturday 25 January:

• 07:40 York to London St Pancras International
• 11:30 London St Pancras International to York
• 13:06 Bradford Interchange to London St Pancras International
• 17:20 London St Pancras International to Bradford Interchange

Sunday 26 January:

• 10:45 York to London St Pancras International
• 13:00 Bradford Interchange to London St Pancras International
• 14:20 London St Pancras International to York
• 17:10 London St Pancras International to Bradford Interchange

LNER:

No trains will run between Peterborough and London Kings Cross.

A reduced and amended timetable will run between Peterborough and north east England / Scotland.

Replacement buses will run between Peterborough and Bedford for alternative train services to / from London.

Lumo:

An amended and severely reduced train service will run between Newcastle and Edinburgh. A few trains will run between Peterborough and Edinburgh, with replacement buses running between London Kings Cross and Peterborough, connecting with train services.

It is not yet known how Great Northern, Hull Trains or Thameslink will be affected by these engineering works.

Check before you travel:

If you are travelling with LNER, you can use the National Rail Enquiries Journey Planner.

If you are travelling with Grand Central, Great Northern, Hull Trains or Thameslink, these changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.

Replacement Bus Travel Advice:

For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.

You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.

Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.