A “nationwide fault” is disrupting train services, National Rail has said.
A problem with a communication system used by train drivers and signallers is causing services to start journeys late and could cause disruption on Friday morning, the group said.
A notice on the National Rail website said: “There is a nationwide fault with the communication system used between train drivers and signallers. As a result, services across the National Rail network may be subject to disruption this morning.
“Trains across the network are having to start their journeys later because of this fault and some may also be subject to cancellations or alterations. Please check before you travel, allow extra time for your journey and monitor live departure boards.”
It said the issue is being investigated.
Key Points
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‘Nationwide fault’ disrupting train services
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Disruption due to fault with a radio system
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Trains to Heathrow Airport facing delays
Disruption to Gatwick Express, Great Northern, Southern and Thameslink
08:29 , Holly Evans
Disruption can be expected this morning to Gatwick Express, Great Northern, Southern and Thameslink as National Rail continue to investigate the nationwide fault with a communication system.
Trains to Heathrow Airport facing delays
08:19 , Holly Evans
The Heathrow Express is facing delays due to a fault with the radio system, with a warning for travellers to allow extra time for their journey.
In a social media post, they said: “Some Heathrow Express trains to and from Heathrow Airport are currently delayed. Please allow extra time for your journey. We apologise for any inconvenience this may cause and appreciate your understanding.”
Some Heathrow Express trains to and from Heathrow Airport are currently delayed. Please allow extra time for your journey. We apologise for any inconvenience this may cause and appreciate your understanding. pic.twitter.com/Kzx6qWHjAC
— Heathrow Express (@HeathrowExpress) December 6, 2024
Disruption due to fault with a radio system
08:13 , Holly Evans
Rail passengers across Britain face disruption due to a fault with a radio system used by train drivers and signallers.
Train information website National Rail Enquiries said trains “across the network” are having to start their journeys later because of the failure of the onboard GSM-R system, and “may be subject to cancellations or alterations”.
Elizabeth line trains serving Reading and Heathrow airport are affected.
ScotRail passengers are being permitted to travel via “any reasonable route” because of the issue.
The failure with the GSM-R system “is currently being investigated”, National Rail Enquiries said.
‘Nationwide fault’ disrupting train services
08:06 , Tom Barnes
Good morning and welcome to our live updates on delays to rail services across the UK.
A problem with a communication system used by train drivers and signallers is causing services to start journeys late and could cause disruption on Friday morning, the group said.
A notice on the National Rail website said: “There is a nationwide fault with the communication system used between train drivers and signallers. As a result, services across the National Rail network may be subject to disruption this morning.
“Trains across the network are having to start their journeys later because of this fault and some may also be subject to cancellations or alterations. Please check before you travel, allow extra time for your journey and monitor live departure boards.”
It said the issue is being investigated.