Delays at Streatham expected until 09:00 

Route(s) affected

Southern between Sutton / East Croydon / Selhurst and London Bridge

Thameslink between Sutton and West Hampstead Thameslink / St Albans City / Luton

Description

There is a fault with the signalling system at Streatham meaning trains are running at a reduced speed on some lines.

As a result, services running through this station may be delayed by up to 10 minutes.

Disruption is expected until 09:00.

Customer advice:

You can use your planned route to travel, however we recommend leaving 5 - 10 minutes extra time to complete your journey.

Planning your journey:

You can check your journey using the live departure boards, and 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?

Trains are likely to have some delays due to a fault with a signal in this area. In this case, the signal is unable to show the normal coloured light indications to drivers. This means drivers have to stop at the signal and gain verbal instructions to continue. Your journey will unfortunately take longer as a result.

Railway signals are designed to warn drivers that they have to stop because the system can't yet confirm that the route ahead is clear. In most places, the signalling system will show a green light, or aspect, when the track is clear for a long distance ahead, and drivers will then be shown one or two yellow lights to warn them when they are approaching a red signal. This means that they can anticipate the amount of braking that's required to stop before they reach another train or any form of problem on the line.

Signalling runs on "fail safe" principles, so if the signals can't step through the usual colours, they will instead show a more restrictive colour - for example, red instead of green. This means drivers will have to stop, but in fact, the route ahead may still be clear. This leads to delays.

The signalling system is maintained by Network Rail, and we're working closely with them to diagnose the fault and make sure it is fixed as quickly as possible. Until this is done, operators will be closely monitoring the train service and doing their best to keep to the timetable.

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.