THE SPEED limit will drop from 80 kilometres per hour to 40 on parts of Deaves Road at Cooranbong from today due to damage from heavy rains.
Lake Macquarie City Council asset manager Helen Plummer said the usual speed limit will be reduced to 60 kilometres per hour along a significant stretch of the road, and even lower in other parts to ensure safe travel.
"Speed limits need to be suitable for the individual road environment," she said.
"Unfortunately, the ongoing wet weather has deteriorated the road surface to a point where some sections are becoming difficult for motorists to navigate at the current speed.
"The temporary speed limit reduction will make the road safer for motorists until we can carry out heavy patching, potholing and other rehabilitation works to improve the surface condition of the road."
Traffic conditions will also change at Goulburn Street, Dudley and Beach Road, Wangi Wangi, after minor landslips affected the roads.
Pedestrian access to the beach from Goulburn Street has been closed, while detours are in place at Lake View Road and Dobell Drive at Wangi Wangi.
Beachgoers have been asked to use the Dudley Beach car park access while closures are in place.
The council will investigate permanent repairs to the affected roads.
It is also in the process of reviewing its current works program to determine when it can complete more substantive rehabilitation along Deaves Road.