The Cross Borough Link Road, which will connect Penwortham to Walton-le-Dale will remain closed to allow safety concerns to be addressed.
Lancashire County Council has made an order prohibiting traffic, cyclists and pedestrians from using the road until the end of February, or unti the work is complete.
Local residents said they were worried pavements and traffic calming measures were not in place before the planned opening last month.
Read more: Residents safety fears as Cross Borough Link Road is set to open
Lancashire County Council has now said it plans to adopt the road prior to it opening, giving the council responsibility for the maintenance and upkeep of the road.
It is also working on safety measures for pedestrians and cyclists.
A spokesman for Lancashire County Council said: “Following concerns raised by local residents and their representatives we have agreed to put in place measures to support pedestrians and cyclists, and calm traffic speeds, before the new link road opens.
“Work is currently ongoing to widen and extend footways to cover the full length of Carrwood Road, and we are also finalising proposals for a crossing to support both pedestrians and cyclists located at the intersection of Old Tram Road and Carwood Road.
“The crossing will include suitable road markings to restrict vehicles from parking in the vicinity of the junction, and we are working towards being able to publish the proposals and begin consultation before the Christmas break.
“We are also working closely with Morris Homes to complete the adoption of the road so that it can be maintained by Lancashire County Council in the future, and will be working to open it as soon as possible once all planned highway works are completed.”
Read more: Penwortham and Walton-le-Dale link road work pushes ahead
The Cross Borough Link Road, which runs between The Cawsey/Leyland Road in Penwortham and Carrwood Road, Walton-le-Dale, is part of a development by Morris Homes, which is building 280 new homes in the area.
The scheme is intended to open up the area to provide better access to schools and amenities for residents in South Ribble.
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