SOUTH Western Railway (SWR) has confirmed a temporary timetable is in place between Basingstoke, Salisbury and Exeter St Davids, until further notice.

Performance issues with some diesel-powered trains operating from depots in Salisbury and Exeter were first recorded on Wednesday, according to the company owned by FirstGroup and MTR Corporation.

The trains were unable to reach their normal top speeds, leading to delays. A day later it was discovered the issue was “linked to the trains’ fuel”, SWR said.

Affected trains have been removed from service for inspection and maintenance, causing disruption to the normal timetable.

Customers are advised to check before travelling from April 21:

  • One train per hour will operate between Basingstoke and Salisbury
  • One train every two hours will operate between Salisbury and Exeter St Davids
  • One train every two hours will operate between Southampton Central and Salisbury via Romsey
  • Services to Westbury and Yeovil Pen Mill will not run

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On Wednesday, a small number of trains operating from depots in Salisbury and Exeter began to report performance problems. On Thursday, it was discovered that the problem was linked to the trains’ fuel, with those trains unable to reach their normal top speeds.

The issue is now under investigation and the affected trains have been taken out of service for inspection and maintenance. As a result, there are fewer trains available to provide the usual number of services on the West of England Line, in the Romsey area, and other destinations west of Salisbury.

SWR’s chief operating officer, Stuart Meek, said: “We’re very sorry for the disruption that will be felt by our customers on the West of England Line, in the Romsey area and other destinations west of Salisbury. Over the last two days some services have suffered delays due to a fuel problem and so we have had no choice but to withdraw the affected trains.

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“With fewer trains available and a risk of delays, which would have a knock-on effect on the wider network, we have had to make the difficult decision to operate an amended timetable. While we appreciate it is frustrating that fewer services will be operating, this timetable does give our customers a service they can have confidence in.

“We really appreciate our customers’ patience and advise them to check before travelling. We will provide an update when we know we can reinstate the usual timetable and run services as normal.”