Motor gangsters are not respect and always break traffic rules. Such as run a red light, modified motorbike, over standard speed and did not wear helmet. So those are reason of accident and died on the road. You can see at the layout about accident from break the traffic rules. In 2014, there are many accidents and the most accident is from driving without helmet. And in 2015, the most accident is from over standard speed as u see on the graph by the next page.