The heavy rain and winds have also had an impact on rail services, with buses replacing some services between Exeter and Bristol and Exeter and Yeovil.
The North Cotswolds line is a particularly congested part of the railway, which means even small delays tend to have a huge impact on rail services in the area.
But the Woodland Trust warned that conservation groups were potentially on a collision course with the government over the environmental impact on the HS2 high-speed rail route between London and Birmingham.
Passenger Rail Agency of South Africa (Prasa) spokeswoman Nana Zenani said although the driver has slowed down before impact, it did little to help the passengers.
The Columbia and Snake River system allows large volumes of freight to be moved with negligible impact on air quality, and replacing this transportation capacity would require use of 120, 000 rail cars or 700, 000 trucks.