- Whiteball Tunnel will be closed from Monday 18 February to Friday 8 March
- Marley Tunnel will be partially closed from Monday 18 February to Friday 8 March. As each track goes through its own tunnel at Marley, one of the two tunnels can remain open, meaning a reduced service can still run
Improving the railway in the South West
The Great Western Main Line passes through a number of tunnels, including Whiteball near Tiverton Parkway, and Marley near Totnes. To ensure their continued use, Network Rail needs to carry out maintenance during February and March.