Signalling problems near Balcombe are causing delays on Eastbourne to London train services this afternoon (April 24).
Southern Rail said there are delays of up to 60 minutes because of the signalling issues, which is effecting trains to and from Eastbourne, as well as from Lewes and Brighton.
The firm said, “Buses have been requested to run between Haywards Heath and Three Bridges but there is no estimate yet for when these will be available.
“There is no firm estimate yet of how long disruption will last but it is likely to continue until at least 3.30pm.
“Southern passengers may use First Great Western, London Underground, Southeastern and Thameslink services on reasonable routes.
“Thameslink passengers may use Gatwick Express and Southern services on reasonable routes.”
To check your journey, please use the National Rail Enquiries real-time Journey Planner at www.nationalrail.co.uk.