had been assigned of Mitsubishi Romklao yard transport to Mitsubishi Yala. At around 02.45 am the driver was driving the trailer to the traffic lights Amphoe Wiangsa Suratthani. While the driver parking trailer crossroad traffic lights have 6 wheels the drive came rear driving crashed into the trailer. Which know later that the driver doze off. Make a car in position 7 dented rear bumper, right tail light broken and the trailer dented rear have been damaged.