When a vehicle has a traffic accident, the corresponding process should be investigated by the traffic department. After checking the scene, the traffic police asked the parties and witnesses to sign the scene map. Relevant certificates of the parties and witnesses are also needed. Then the traffic accident responsibility determination of the traffic department. After investigation by the traffic police department. According to the fault degree of both parties and the role they played in the accident, judge the responsibilities of both parties.

legal ground

"Code for Handling Traffic Accidents" Article 35 The traffic police shall make a record of on-site investigation of road traffic accidents in time. The record of on-site investigation shall be in accordance with the principle of mutual supplement and mutual verification with the on-site maps and photos, mainly including the following contents: (1) the time when the relevant departments and personnel arrived at the scene, the start time of on-site investigation, and the end time of on-site investigation; (2) The specific location, weather, road and surrounding environment of the accident site; And (3) the basic information of casualties on site (if the location of personnel has been marked on the site map, it will not be recorded) and the brief rescue process (4) the basic information such as vehicle model, brand, vehicle gear, steering, lighting, instrument pointer position, etc. (if the location of vehicles has been marked on the site map, it will not be recorded) (5) the collection and extraction of site traces and physical evidence (6) alcohol is carried out on vehicle drivers through breath or saliva. After the on-site investigation record is verified, if the traffic police, parties or witnesses at the investigation site are absent, there are no witnesses, and the parties or witnesses refuse to sign or cannot sign, it shall be indicated in the on-site investigation record. Supplementary investigation on the scene of road traffic accidents shall make a record of supplementary investigation on the scene of road traffic accidents. After verification, if the traffic police and the parties who sign on the spot refuse to sign, it shall be indicated in the supplementary investigation record.