A fault with the signalling system between Havant and Portsmouth Harbour / Southampton Central means that trains have to run at reduced speed on all lines.
As a result, trains running between these stations may be delayed.
This is expected until 17:00.
Customer advice:
Southern services heading towards Portsmouth Harbour and Southampton Central will be delayed.
You can still use the train you intended to travel on, but your journey will take at least 5 minutes extra to complete. Please allow extra time to reach your destination and check journey planners for the latest information.
Planning your journey:
Live departure boards can be found here.
You can view a live map of the network here.
You can also use the app to find up-to-date information.
Can you tell me more about the incident?
A fault with the signalling system in the Havant area means that trains travelling towards Southampton and Portsmouth will take longer than usual to reach their destination.
Network Rail are aware, and they are currently investigating the issue.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.