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Issue resolved: disruption to Gatwick Express, Great Northern, Southern, and Thameslink services expected until 14:30 

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Service alteration details

Incident reported: Tuesday 19 May 2026 at 12:48

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Last updated

Tuesday 19 May 2026 at 13:11

Train operators affected

Route(s) affected

On Gatwick Express, Great Northern, Southern, and Thameslink services

Description

A fault with the radio system between the driver and the signaller has now been resolved, allowing all lines to reopen.

Trains across the network may still be cancelled, delayed by up to 20 minutes or revised whilst service recovers.

Disruption is expected until 14:30.

Customer advice:

If you are currently travelling, delays are expected. Some trains may be cancelled or subject to last minute service alterations.

Please carefully check station information screens and listen to announcements before you board. Your overall journey time may take at least an additional 30 minutes.

Ticket acceptance:

You can use your existing ticket at no extra cost on the following services:

  • Alternative Southern routes across the network

  • Alternative Thameslink services across the network

  • East Midlands Railway services between Bedford and London St Pancras International

  • London Underground between all London terminals

  • London Buses between Finsbury Park and Moorgate

Planning your journey:

You can see live departure boards.

You can view a live map of the network.

You can also see an alternative route guide.

If you're travelling in the London area, you can plan journeys on alternative routes by using the TfL Journey Planner.

The Southern app will also help you plan your journey.

Can you tell me more about the incident?

There has been a problem with the railway's radio system. This links train drivers with the signallers who control the rail traffic on each route.

This situation has now been resolved, and the network can start to return to a booked timetable. There will be some residual disruption whilst service resumes.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.

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