Commuters are facing delays and cancellations this morning due to emergency engineering works.
Emergency engineering work at Wimbledon station has caused disruption to all South West Train services into and out of London Waterloo.
All trains through Wimbledon are currently delayed by up to 30 minutes, subject to cancellations, while all Dorking to London Waterloo train services have been cancelled in both directions.
This will affect passengers travelling to or from Waterloo from stations including Epsom, Ashstead, Raynes Park, Wimbledon, Earlsfield and Clapham Junction.
Passengers who would normally use this route are being advised to use the Southern train service between Dorking and London Victoria where South West Trains tickets are being accepted.
South West Trains are also warning of short notice cancellations.
Engineers are currently on site however South West Trains could not say when services would return to normal.
A spokesperson for the South West Trains-Network Rail Alliance said: "Train services through Wimbledon are currently being disrupted due to emergency engineering work taking place in the area.
"Train services are continuing to run but are subject to delay.
"The following service alterations are also in place:
• A train shuttle is running between Hampton Court and Surbiton until further notice. Customers travelling to London Waterloo will need to change trains at Surbiton
• A train shuttle is running between Shepperton and Kingston until further notice. Customers travelling to London Waterloo will need to change trains at Kingston
• Services to and from Exeter / Yeovil / Salisbury will terminate at Basingstoke. Passengers should connect with alternative services at Basingstoke.
• Services to and from Dorking are cancelled until further notice. Passengers travelling on this route can use Southern services between Dorking and Clapham Junction / London Victoria until further notice
"We apologise for the inconvenience caused to our passengers."
For more information and to check your journey visit www.journeycheck.southwesttrains.co.uk