Disruption for people travelling in and out of Waterloo is expected to continue into this evening’s rush hour, said Network Rail.

Mark Killick, route director for Network Rail Wessex, said: “We found a 600 metre cable which had a defect in it.

“The good news is, that we have managed to make temporary changes to reinstate the signalling system.

“We’re working closely with South Western Railway to re-introduce train services, but we are advising customers there will be disruption for the rest of the day.”

He said there would be more trains running than in the morning but passengers are still urged not to travel.

Here’s the latest from National Rail on services running to and from Waterloo.

Little has changed from earlier besides trains now stopping at Queenstown Road.

• 2 services per hour between Reading and London Waterloo
• 2 services per hour between Windsor & Eton Riverside and London Waterloo
• 2 services per hour between Weybridge and London Waterloo via Staines
• 2 services per hour between Shepperton and London Waterloo via Richmond
• 2 services per hour between Ascot and Aldershot
• 2 services per hour between Farnham and Guildford
• 1 service per hour between Portsmouth and Southampton
• 1 service per hour between Salisbury and Romsey via Southampton Central
• 2 services per hour between Brockenhurst and Lymington Pier
• 1 train per hour between Exeter St Davids and Wimbledon
• West of England Shuttles between Basingstoke and Salisbury will run as booked

Simon Calder, our travel correspondent, has more on the disruption at Waterloo station:

The disruption caused by a signal failure at London Waterloo is expected to continue all day.

South Western Railway says: “We are advising customers not to attempt to travel.”

The train operator has set out the sharply reduced service running on “a very limited number of lines”.

Two trains an hour will run from London Waterloo to:

• Reading
• Windsor & Eton Riverside
• Weybridge via Staines
• Shepperton via Richmond

There are also two services per hour between Ascot and Aldershot and between Farnham and Guildford.

“If you have a ticket for a South Western Railway service dated today, you are welcome to use your ticket on services on Friday 14 April,” says the train operator.

“Disruption will affect other services on the wider network so please check before you travel.”

“Engineers are working to restore signalling.”

But South Western Railway emphasised: “We do not have a time for normal services to resume.”

Trains are arriving at and departing from London Waterloo every five or 10 minutes from the platforms that are unaffected by the major signalling failure, Simon Calder reports.

The first train of the day from Waterloo to Basingstoke left platform 15 at 10.12am.

Passengers will be able to change at the Hampshire station for trains to Southampton and Bournemouth.

According to observations from The Independent, roughly one train every 90 minutes is departing on the main line route.

Not everyone is having a tough journey, though. A family of four from the South Coast reported “every train on time” after a trip from Sussex via Clapham Junction.

And there it goes...

Any passenger with a pre-purchased ticket who is unable to travel to, from or via London Waterloo because of the signal failure can obtain a full refund.

Alternatively, says South Western Railway: “If you have a ticket dated 13 April 2023 and are unable to travel today, you are welcome to use your ticket on services on Friday 14 April.”

Season ticket holders will get money back for the day if they are unable to travel.

Ticket acceptance is in place that allows South Western Railway passengers to use Southern, CrossCountry and GWR trains to make journeys by reasonable routes, with tickets also valid on London Underground trains where appropriate.

In the summer of 2017, most of Waterloo station was closed for 24 days to extend some platforms and install “new technology to make trains more efficient and improve punctuality”.

It was described by Network Rail as: “One of the most significant and complex engineering projects at Waterloo Station in the last century.”

The project was part of the £800m Waterloo & South West Upgrade, aimed at increasing capacity as well as improving reliability.

At the time, Network Rail said: “During the morning peak more than 600 passengers arrive each minute, equivalent to a full double-decker bus arriving into the station every eight seconds for three hours.”

Passenger numbers dwindled almost to zero during the Covid pandemic, and remain well short of the figures in the 2010s.

In his daily travel podcast – recorded at London Waterloo – The Independent’s travel correspondent, Simon Calder, says:

“There will be tens of thousands of people hit by the closure today. It will also continue the destabilising of passenger confidence. Bear in mind that we've had dozens of days of no trains due to the strikes which have been taking place over the past 10 months.

“We are also seeing failings such as the Nuneham viaduct in Oxfordshire, which is the main line from Manchester and Birmingham to the south coast, closed at least until June because of damage to the viaduct.

“It does suggest that the reliability of the railway is such that, as I've been picking up from various comments on Twitter: ‘Why would anybody attempt a journey with other ways of working?’

“This is a very worrying situation, to have such a major failure causing so much social and economic damage. This is going to wipe out millions of pounds in ticket revenue.

“I think it demands some answers: How can it happen? Why did it happen? What is being done about it to stop it happening again?

“Meanwhile, if you are traveling anywhere today, the very best of luck to you.”

The signal failure at London Waterloo affects a large majority of passengers. The closure of platforms 1 to 14 means that all the normal services on the main line to Wimbledon and Woking are disrupted. South Western Railway and Network Rail are endeavouring to run some trains on the unaffected platforms, 15-19.

Trains on the line to Reading from platforms 20-24 – the former Eurostar part of the station – are running with delays and cancellations.

One train has just left London Waterloo to Portsmouth Harbour, the first main line service of the morning to depart on the main line.

Signs in the station warn of “Major Disruption” on all lines.

Kevin Skilton, a construction manager from Tunbridge Wells, arrived at London Waterloo to discover that his planned trip to New Milton has been scuppered by the signal failure that has wiped out most of the morning rush hour at Britain’s busiest station.

“Total disruption,” he told The Independent. “Most of the lines out of here are not running. I shall either go to our London office or travel back home and work from home.

“Bad luck on my part because I haven’t travelled by train for eight or nine days.

“It's par for the course though, isn't it? We rely on technology so much, you know, things happen. We have to just make alternative plans.”

Until further notice, a significantly reduced service will operate to and from London Waterloo on a very limited number of lines, according to National Rail. Here is the current list:

• 2 services per hour between Reading and London Waterloo
• 2 services per hour between Windsor & Eton Riverside and London Waterloo
• 2 services per hour between Weybridge and London Waterloo via Staines
• 2 services per hour between Shepperton and London Waterloo via Richmond
• 2 services per hour between Ascot and Aldershot
• 2 services per hour between Farnham and Guildford
• 1 service per hour between Portsmouth and Southampton
• 1 service per hour between Salisbury and Romsey via Southampton Central
• 2 services per hour between Brockenhurst and Lymington Pier
• 1 train per hour between Exeter St Davids and Wimbledon
• West of England Shuttles between Basingstoke and Salisbury will run as booked
• Queenstown Road will not be served