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Version 4 Version 5
Northern Line: London Underground disruption due to signal failure Northern Line: London Underground disruption due to signal failure
(32 minutes later)
Passengers are facing travel disruption after an entire London Underground line was suspended due to a signal systems failure at the main control centre.Passengers are facing travel disruption after an entire London Underground line was suspended due to a signal systems failure at the main control centre.
One commuter tweeted that he "hated the Northern Line", which was suspended just before 06:00 BST.One commuter tweeted that he "hated the Northern Line", which was suspended just before 06:00 BST.
The Tube line connects transport hubs Waterloo, King's Cross and Euston and is used by more than 800,000 people every day.The Tube line connects transport hubs Waterloo, King's Cross and Euston and is used by more than 800,000 people every day.
Transport for London said it was "working hard to restore the service".Transport for London said it was "working hard to restore the service".
Commuter Mario Toubes-Rodrigo said he "despaired" after his commute took more than an hour longer than usual due to the suspension.
The microbiologist missed his pre-booked train to Milton Keynes because it took 75 minutes to make a journey that normally takes 20 minutes.
"I waste so much time and money on the Northern line," he said.
"I get up to leave my house even earlier and pre-book my train tickets to avoid problems but I still end up having to buy on the day tickets and turning up late to work."
Tube tickets are being accepted on Southeastern and Thameslink trains, as well as on trams and buses.Tube tickets are being accepted on Southeastern and Thameslink trains, as well as on trams and buses.
Both the Bakerloo and Metropolitan lines also have minor delays as a result of the signals failure.Both the Bakerloo and Metropolitan lines also have minor delays as a result of the signals failure.
Replacement buses through London are reported to be overcrowded, with one commuter complaining it was "everyone for themselves".
The delays come as schools open for the new term this week and commuters on social media complained of having to queue to access stations.The delays come as schools open for the new term this week and commuters on social media complained of having to queue to access stations.
People also said they had been forced to miss trains from King's Cross and Euston because of the disruption.
Replacement buses through London are reported to be overcrowded, with one commuter complaining it was "everyone for themselves".Replacement buses through London are reported to be overcrowded, with one commuter complaining it was "everyone for themselves".
People also said they had been forced to miss trains from King's Cross and Euston because of the disruption.People also said they had been forced to miss trains from King's Cross and Euston because of the disruption.
Brian Woodhead, London Underground's director of customer service, said: "I am extremely sorry for the disruption suffered by customers on the Northern Line today following a signalling system failure at our control centre.Brian Woodhead, London Underground's director of customer service, said: "I am extremely sorry for the disruption suffered by customers on the Northern Line today following a signalling system failure at our control centre.
"Our engineers are working hard to fix the problem and restore a full service as quickly as possible.""Our engineers are working hard to fix the problem and restore a full service as quickly as possible."