1) the time when the report was received, the time and place when the report was made, and the names, occupations and addresses of the informant and the parties concerned;

(2) the name and occupation of the personnel on the protection site, the time of arrival at the site and the situation found during the protection site;

(3) the name, occupation and address of the witness;

(4) the starting and ending time of exploration, the exploration procedure, the climate and light conditions at that time;

(5) site center and related environment, site changes and changes

2. Survey

(1) site road survey records. Including the accident site, road technical data, traffic environment, traffic facilities, etc.

(2) the parking position of the accident vehicle. Record the parking position and state of the accident vehicles of all parties.

(3) ground trace exploration. Record the traces left on the ground at the scene of the accident, including traces of vehicles, vehicle tires, human bodies, blood, scattered objects and other related objects.

(4) Contact parts of vehicles and their damage. Record the collision, scraping, separation, adhesion and other traces on the car body of the accident vehicles (including non-motor vehicles) and the damage of the vehicles.

(5) Contact parts and damage of other objects. Record the collision and scraping between the vehicle and other objects and the damage of other objects. Other objects such as roadside traffic facilities, buildings, trees and other objects.