Disruption between London St Pancras International and Finsbury Park expected until 11:00 

Route(s) affected

Between Brighton and Cambridge, and between Horsham and Peterborough, and between Seven Oaks and Finsbury Park / Welwyn Garden City

Description

A fault with the signalling system between London St Pancras international and Finsbury Park has meant that all lines are blocked. As a result of this, trains running between these stations may be delayed or cancelled.

Disruption is expected until 11:00.

Customer advice:

Between 09:45 and 10:45 the lines between London St Pancras International and Finsbury Park will be blocked.

To continue your journey, you should make your way to London Kings Cross to take an alternative service. This will affect trains running on the routes between London St Pancras International and Peterborough and Cambridge.

Ticket acceptance

Your ticket will be accepted on the following services, at no extra cost:

• Great Northern between London Kings Cross and Hitchin / Cambridge

Planning your journey:

You can check train departures from your station:

- Thameslink live departure boards

- Great Northern live departure boards

You can view live maps of the network:

- Thameslink live route map

- Great Northern live route map

You can use alternative route guides:

- Thameslink alternative route guide

- Great Northern alternative route guide

You can also use the Thameslink and Great Northern apps to find up-to-date information.

Can you tell me more about the incident?

There is a fault with the signalling system in one of the tunnels between London St Pancras International and Finsbury Park. Network Rail need access to resolve the issue, and will block the lines for an hour between 09:45 and 10:45.