Disruption between Gatwick Airport and Purley expected until 11:00
Service alteration details
Incident reported: Tuesday 20 January 2026 at 08:18
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Last updated
Tuesday 20 January 2026 at 09:46
Train operators affected
Route(s) affected
Gatwick Express services between Brighton and London Victoria
Southern services between Gatwick Airport / Tonbridge and Redhill, and also between Reigate and London Victoria
Thameslink services between Horsham and Peterborough, and also between Haywards Heath / Three Bridges and Bedford,
Description
A fault with the signalling system between Gatwick Airport and Purley means that trains are having to run at reduced speed on some lines towards London.
As a result, trains running between Gatwick Airport and Purley may be cancelled, delayed by up to 15 minutes or revised.
Disruption is expected until 11:00.
Customer advice:
Please allow an extra 20 minutes for your journey this morning, and check station screens and planners for the latest information. You may have to change more often than usual to reach your destination.
There are delays to services in the Purley area due to a signalling fault, affecting trains that are running towards London.
Ticket acceptance
You can use your ticket on the the following, at no extra cost:
Any Southern or Thameslink service towards your destination
Planning your journey:
You can see the live departure boards, and view a live map of the network.
You can also view 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.
You can also use our Southern and Thameslink apps to find up-to-date information.
Can you tell me more about the incident?
A fault with the signalling system in the Purley area is causing delays to services from the direction of Gatwick. Network Rail are aware of the issue and are on site investigating.
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.