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As part of the Flood Strategy, more than 150 new signs have been installed across the Hawkesbury-Nepean Valley. The new signage system will help guide residents along key flood evacuation routes and out of the floodplain in the Penrith, Hawkesbury, Hills and Blacktown council areas.

The project represents the first strategic regional approach to flood evacuation signage in New South Wales and has been a collaboration between Infrastructure NSW, Roads and Maritime Services, the NSW State Emergency Services (NSW SES), and local councils.

The design of the signage system was tested on 100 local residents using driving simulators before it was rolled out, while specific locations for the signs were selected in consultation with the NSW SES. The system includes a number of folded signs designed to be opened during a flood emergency to provide extra direction for drivers.