Train radio fault fixed but ‘major disruption’ expected for rest of day
Commuters are experiencing cancellations and delays
Last updated 7th May 2026
A radio system fault which disrupted train services across the south has been fixed but disruption is expected to continue for the rest of the day.
National Rail Enquiries posted an update at 10.49am stating the issue – which related to how train drivers and signallers communicate – had been “resolved”.
The incident was reported at 8.53am.
The affected operators are CrossCountry, Gatwick Express, Great Western Railway, Southern, South Western Railway and Thameslink.
National Rail Enquiries said: “Some services may still be delayed by up to 90 minutes or cancelled whilst service recovers.
“Major disruption is expected until the end of the day.”
A Network Rail spokesperson said: “Due to issues with radio communications, train services in the South West and south have been subject to some delays this morning.
“Staff have worked to resolve the fault, and train services are now returning to normal.
“We apologise to passengers for the disruption caused to their journeys.”