An Isuzu truck skidded from a graded road and went onto a flow line while coming from Anzuz to Bahja. The vehicle was moving on Anzuz road towards Bahja while negotiating a curve on the graded road the driver lost control and the vehicle moved right to the sandy shoulder and further to the flow line. The driver failed to regain control and the vehicle kept moving on the flow line for 30 meters until it hit a pipe rack and stopped.