Fire chiefs say the hot, dry weather has left areas vulnerable to wildfire despite recent rainfall.
Platform reopens to nine-carriage long distance trains after devastating fire.
The fire service says the fire had broken out in a field near the Tamar Bridge on Friday morning.
Fire crews are at the incident where smoke has spread to the central reservation on the A38.
A senior firefighter says he "wishes" a temporary disposable barbecue ban was made permanent.
Firefighters say they have had many calls but cannot tackle barbecues unless it is an emergency.
Devon & Somerset Fire & Rescue Service said its crews attended hundreds of incidents in a week.
Firefighters believe the blaze at one of Somerset's most "significant regeneration opportunities" was deliberate.
The batteries will not be put back into use until an investigation is carried out.
