Two motorcycle riders are being treated in hospital after a serious collision this afternoon in Smith’s, at the junction of South Road and Zuill’s Park Road.A police spokesman said that at about 4.40pm, a female rider exited Zuill’s Park Road and attempted to make a right turn west on South Road.A motorcycle ridden by a male was headed in the opposite direction along South Road, and the two collided.Both were taken by ambulance to King Edward VII Memorial Hospital.The spokesma