Network Rail has said that it hopes to keep trains moving through a landslip damaged section of track in Sussex while it carries out investigation into the cause of the ground movement.
Line speed restrictions have been put in place on the Eastbourne to Lewes railway line between Glynde and Berwick.
Network Rail’s geotechnical manager for the South East, Derek Butcher, said: “We are watching this site closely and working on a timescale and a plan for repairs.
“We estimate that the section we will need to repair will be 100m long, and in order to do that kind of heavy repair work, we will also need to build a temporary road to allow our engineering equipment to access the railway.
“Once we have that in place, we can begin the work to bring the railway back up to full speed. We appreciate everyone’s patience while this goes on.”
Boreholes are currently being undertaken in the embankment, which is believed to date from the original construction of the railway line in 1846.
Network Rail has said it expects speed restrictions to remain in place for at least the rest of the week.