ll floods.??????Illawarra highway treated like 'bush track' - photosMs Schelle said her son Zacharie Dent, 16, who attends Dapto High School???s autism unit, became anxious every time there was a heavy downpour after a bad experience several years ago.??????My son got caught up in the rain a few years ago when the town was cut off due to flooding,?????? she said.??????He ended up being stuck at a