Resurfacing and drainage works will begin at the A414 London Colney roundabout next week.
The £35,000 scheme to repair the worn-out road surface will begin on Wednesday, February 19 and will be carried out overnight between 10pm and 5am Monday to Friday.
Works, by Eurovia on behalf of Hertfordshire County Council, are expected to be carried out in five nights.
There will be road closures including from the A414 London Colney roundabout to the A414 Verulamians Rugby Football Club Ground access, from the A414 London Colney Roundabout to the A1081 The Bell roundabout and the A414 London Colney roundabout to High Street junction.
The A414 London Colney roundabout
Signed alternative routes will be in place.