BARRIER CRASH: The driver of this Fleetline Diggers Ltd truck was treated by St John ambulance staff at the scene after his vehicle rolled near the intersection of Mosston Rd and Tayforth Rd yesterday. The accident happened about 8.30am. The truck, towing a trailer, was heading towards the city along Tayforth Rd when it crashed through a wooden roadside barrier and rolled upside down off the road. No other vehicles were involved.