South West Trains have been cancelled between Exeter and Yeovil due to members of train crew being unavailable.
There's a replacement bus service between Honiton and Exeter St Davids.
Tickets are being accepted on Great Western Railway and London Underground services.
There's a revised service on South West Trains this morning due to a member of the train crew being unavailable.
Services between London Waterloo and Weymouth, and between Pen Mill and Yeovil Junction are being affected.
At the moment the following services have been cancelled:
- 12:10 Weymouth - Yeovil Junction
- 13:07 Yeovil Junction - Yeovil Pen Mill
- 13:28 Yeovil Pen Mill - Yeovil Junction
- 13:45 Yeovil Junction - Yeovil Pen Mill
- 13:55 Yeovil Pen Mill - Yeovil Junction
- 14:05 Yeovil Junction - Weymouth
- 16:45 Weymouth - London Waterloo
South West Trains plan to introduce new direct services to Weymouth on Saturdays in the summer. It hopes to boost tourism by providing trains from North Dorset, Somerset and Wiltshire.
They also hope they'll be an additional weekday morning service from Yeovil Pen Mill to London Waterloo.
Consultation is currently taking place with local authorities, communities and rail user groups about the proposals which would be introduced in May.
The summer trains would run on Saturdays and Bank Holiday Mondays from 21 May through to 3 September and help to provide a boost for communities, local businesses and tourism throughout the summer months.
There are delays on South West Trains between Yeovil Junction and Salisbury this morning due to a signal failure.
Train services running through these stations may be delayed or revised - the disruption is expected to last until 08:00am.
- The 0514 Yeovil Junction to London Waterloo service will start from Sherborne
- The 0550 Yeovil Junction to London Waterloo service will start from Salisbury
- Other alterations will be available to view here
People living Bruton and Frome have a new direct rail link with London from today.
The South West trains service runs between Waterloo and Yeovil but will go via the two towns once a day in each direction.
The first one from London was waved off by Frome's MP who said he hoped that further services will be added in future.
A survey of rail companies has found less than half of people travelling in the West Country are satisfied with the service they get.
The findings by Which? put South West Trains and First Great Western almost bottom of the list of train companies in the entire country.
55% of commuters said they were dissatisfied with the service they received.
Alex Neill is Head of Campaigns at Which?...
There's major disruption on the trains this morning between Bridgwater and Taunton, and Taunton and Plymouth/Penzance.
Meanwhile, trains from the West Country into London are also subject to delays.
First Great Western said it would only be able to run four trains an hour between Reading and London Paddington because of flooding near Maidenhead.
South West Trains is operating a heavily-curtailed service.