Cosham Rail Services Recover After Train Fault

Train fault at Cosham station causes 60-minute delays affecting multiple rail services

2026-04-12, Moovit News Team

Train Fault Delays Cosham Services 60 Minutes

Rail passengers traveling through Cosham face continued delays of up to 60 minutes Sunday after a train fault disrupted service Saturday evening. Lines reopened at 12:18 a.m. Sunday, but trains through the station may still be cancelled or revised, transit officials said. Great Western Railway and South Western Railway services between Fareham and Portsmouth Harbour remain affected, with major disruption expected through the end of the day.
Train at Cosham station platform with passengers waiting during service disruption

Context & Background

The incident was first reported Saturday at 7:44 p.m. when a train fault occurred at Cosham station, blocking the rail network between Fareham and Portsmouth Harbour. Fleet maintenance teams are investigating and working to fix the fault, according to the transit agencies. The disruption affects multiple rail corridors, including Great Western Railway services between Cardiff Central and Portsmouth Harbour, and South Western Railway services between London Waterloo and Portsmouth Harbour. Officials said the fault required extensive repairs before lines could safely reopen.

Key Details

Great Western Railway services between Cardiff Central, Westbury and Portsmouth Harbour are impacted, along with South Western Railway services between Winchester, Eastleigh, London Waterloo and Portsmouth Harbour. Replacement buses have been arranged to shuttle between Southampton Central and Portsmouth Harbour, calling at all stations in between. Passengers can also use local bus services, including Bluestar Bus routes 16, 18, and 20, and Stagecoach bus route 23. South Western Railway services between Portsmouth Harbour and Havant are available at no extra cost as an alternative route.
Replacement bus service at rail station with passengers boarding during train disruption

Timeline & Implementation

The fault was reported Saturday evening at 7:44 p.m., with lines reopening by 12:18 a.m. Sunday. Despite the reopening, major disruption is expected to continue through the end of the day Sunday. Fleet maintenance teams continue working to fully resolve the fault and restore normal service. Officials haven't provided a specific timeline for when regular service patterns will resume.

Rider Impact & Moovit

Passengers experiencing heavily disrupted journeys can book their own taxi and claim the cost back through South Western Railway. Riders may be entitled to compensation if they experience delays in completing their journey, officials said. Moovit provides real-time updates for Great Western Railway and South Western Railway services, helping passengers navigate alternative routes and track replacement bus arrivals during the disruption.