Speed reduced limits on South Kiama Drive and Jamberoo Mountain Road will come into force on Monday November 30 following safety concerns of residents.
A Transport for NSW spokesperson said reviews were carried out in accordance with the NSW Speed Zoning Guidelines and investigators considered a number of factors including roadside development, traffic data and crash history.
"Both reductions were initiated following safety concerns."
The existing 80 km/h speed limit will be changed to 60 km/h for two kilometres on South Kiama Drive from the ramp at Weir Street in Kiama Heights to 150 metres south of Marks Street in Kiama.
And Transport for NSW will reduce the speed limit on Jamberoo Mountain Road from 100 km/h to 80 km/h, from 350 meters east of the Illawarra Hwy at Robertson to 650 metres east of Knights Hill Rd at Budderoo.
New speed limit signs at both locations will be installed from 30 November, weather permitting. Work to replace the existing signs is planned to take place between 7am and 5pm.
Traffic control and a reduced speed limit in place for the safety of road users and workers during that work.
Electronic signs will be in place for one week before and after the speed limit reduction to alert motorists of the change.
Motorists are asked to keep to the displayed speed limit for the safety of all road users.
Members of the community can sign up at the Safer Roads NSW website to receive updates about changes to permanent speed limits in their area and to have a say on speed limits.
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