Rail communication fault disrupts UK train services Tuesday afternoon

A widespread technical fault with critical railway communication systems caused significant delays and disruption to train services across the United Kingdom on Tuesday afternoon. The issue, which began shortly after 1 p.m., affected the radio system that allows train drivers to communicate with signaling staff, forcing many services to operate at reduced speeds for safety.

National Rail initially warned of potential delays due to problems at various signaling centers. Network Rail engineers investigated the fault, which impacted a broad range of operators. While trains continued to run, the necessary speed restrictions led to extended journey times and cancellations across multiple regions.

The disruption was not confined to a single area. Affected train companies included Avanti West Coast, Chiltern Railways, CrossCountry, East Midlands Railway, Great Western Railway, Hull Trains, LNER, London Northwestern Railway, Northern, South Western Railway, TransPennine Express, and West Midlands Railway. In London, services on the Elizabeth line and the London Overground also experienced severe delays.

National Rail announced that the technical issues had been resolved just before 2...