"Traffic Safety Law of the People's Republic of China " room thirteen vehicles traveling on the same lane, the vehicle in front after the car should be sufficient for emergency brake to keep a safe distance . One of the following circumstances will not : ( a) The vehicle is turning left , turning, overtaking, ( b ) no cars coming from the vehicle may not, ( c ) The vehicle for the implementation of car emergency police , fire trucks , ambulances and engineering rescue vehicles , (d ) passing a railroad crossing , intersection, narrow bridge, curves and steep slopes , tunnels , pedestrian crossings , a large part of the urban traffic conditions , such as not passing. -------------------------------------------------- ---------------------------------------- motorcycle struck the left side of the door of his home, you turn when you hit the bar. Overtaking prohibited when turned on, when the motorcycle left the car behind , making the bike forward , causing the accident should have primary responsibility for motorcycle automobile liability , secondary (due to the motorcycle belonging to vulnerable groups for the car familiar. )