Work is due to begin on 12 October at the Spring Head Road junction.
The first phase will focus on removing the existing central traffic islands in preparation for future improvements.
Chat Hill Road to Old Road
Traffic has been moved onto the north side of the carriageway while work takes place on the south side.
Temporary four-way traffic lights will be required for two days during the week commencing 5 October.
Current traffic management arrangements are expected to remain in place for around five months.
Heys Road to Chat Hill Road
Traffic will be switched during the week commencing 5 October to allow work to progress along this section of the route.
Old Road to Leaventhorpe Lane
Traffic management is in place on the south side of the carriageway between Old Road and Leaventhorpe Lane.
These arrangements are expected to remain in place for approximately three months.
Bell Dean Road and Rhodesway
Traffic is currently running on the south side of the carriageway while construction work takes place.
Access to Bell Dean Road and Rhodesway is being maintained throughout the works.
Current arrangements are expected to remain in place until May 2027, although minor changes may be required as the project progresses.
Godfrey Street area
Three-way temporary traffic lights are currently operating between Godfrey Street and Leaventhorpe Lane and are manually controlled during peak periods to help reduce delays.
From the week commencing 12 October, the three-way traffic lights will move to operate between Godfrey Street and Jesse Street.
