Overnight maintenance work to take place until September 20.
Motorists have been warned about a series of overnight closures on the North Devon Link Road this month.
Gully cleaning, sweeping, hedge cutting and repairs are planned on the A361 and A39, between Bideford and Tiverton, from 7pm to 7am until September 20.
Both carriageways will be closed between Bolham and Newton until Monday night.
Work will switch to the Aller Cross and Bish Mill section, near South Molton, on Tuesday.
The road from Aller Cross to Portmore in Barnstaple will be closed on Wednesday and Thursday night, and from Portmore to Roundswell on Friday night.
The Roundswell to Bideford section of the A39 will be closed for two nights on September 19 and 20.