The A396 Stoke Hill is partially blocked due to flooding between Stoke Hill and Chestnut Crescent.
This will affect traffic between Exeter and Tiverton. Drivers are advised to use Pennsylvania Road as an alternative route.
More top news
Matthew Scully-Hicks, from Cornwall, denied killing Elsie Scully-Hicks in May last year.
Charges include conspiracy to produce cannabis, abstracting electricity without authority and conspiring to hold another person in slavery.
Bristol man, Jordan Walters, has been jailed for two years after an 18-month-old was shot in the head with an air rifle.