Some cross country trains are now running between Bristol and Taunton after flooding caused disruption to the network.
Network Rail say trains can now run between Taunton/Castle Cary and Tiverton Parkway.
However as there are not many trains running between Tiverton Parkway and Taunton passengers should travel between Exeter and Taunton by a replacement bus for connecting trains.
Trains are currently unable to run between Exeter St Davids and Yeovil Junction.
Buses are running between Exeter St Davids and Yeovil Junction calling at Exeter Central, Honiton, Axminster and Crewkerne.
Buses are also running between Exeter St Davids and Axminster, calling at Exeter Central, Pinhoe, Whimple, Feniton and Honiton.
Restrictions for customers holding tickets for journeys between Exeter St Davids and Yeovil Junction today have been lifted and customers may use earlier services if desired.
Trains between Yeovil Junction and London Waterloo are able to run normally.
The line between Exeter St Davids and Yeovil Junction is expected to re-open on Monday 26 November.