Solar Koala Safety Sign for Hawks Nest Tea Gardens, Hawks Nest by NOTA - May 19, 2016 Myall Coast people will have already seen the new solar-powered, speed activated sign erected last week at the foot of the Tea Gardens Hawks Nest Singing Bridge. The sign lights up with a koala image and the words “SLOW DOWN” when a vehicle approaches exceeding the 50 KPH speed limit. The Myall