Work to install new safety barriers at the roundabout near Tesco in Mereway, Northampton, will be taking place next week.
A spokesman for the county council said highways engineers will be taking advantage of quieter roads during the half-term break to carry out the work which will involve lane and road closures over the week.
The programme of works is as follows:
• Sunday October 23, 8pm – 6am Road Closure: Danes Camp Way to Tesco and Towcester Road and Mereway Eastbound.
• Monday to Friday October 24 - 28: Traffic Management and Lane Restrictions for barrier installation
• Friday October 28, 8pm – 6am full road closure
Access will maintained at all times for residents and businesses and pedestrian access to footpaths and the subway will be maintained. Cyclists will also be able to use the route as usual.