Work to protect the railway line through Folkestone Warren from coastal erosion and landslips has reached its halfway point, with Network Rail reporting steady progress on the multi-million-pound project. The vital rail link between Folkestone and Dover has remained fully open to passengers and freight throughout the construction process, with no service disruptions to date.
Engineers have already placed 18,000 tonnes of limestone rock armour along 300 metres of the shoreline to help stabilise the cliffs. This heavy material, brought in by barge from Boulogne, France, is designed to prevent ground movement beneath the tracks. In addition to the rock armour, crews have installed 50 sheet piles behind the sea wall to act as a barrier against seawater and have completed critical drainage repairs to stop water from building up within the slope.
The area has a long history of geological instability, which was highlighted by a significant landslip in December 1915 known as The Great Fall. More recently, in March 2024, heavy rainfall caused a large crack to appear in the access road, leading to temporary speed restrictions. To manage these risks, the project includes the installation of new, enhanced monitoring equipment. According to Bob Coulson, Infrastructure Director for the South Eastern Railway, this technology provides real-time data that allows the team to detect movement and caution or stop trains if safety is compromised.
The project is on track for full completion by July 2026. Local residents and visitors can expect the beach and nearby walkway to reopen to the public in April 2026. The British Geological Survey continues to monitor the site, which remains one of the most challenging environments for railway infrastructure in the country.
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