The main contents of the traffic accident letter of understanding are: clearly stating the causes of the traffic accident and the losses after the accident, and at the same time stating what compensation effect the defendant has achieved, whether he has actively obtained the forgiveness of his close relatives, and whether he agrees not to be held accountable. Finally, write the name and date of the forgiver. On the way, the driver collided with his car, causing traffic accidents and deaths. After the incident, the perpetrators immediately reported the case to the police, and were immediately detained by the public security organs and released on bail pending trial. After the accident, he actively negotiated with the victim's relatives about compensation, and voluntarily reached the Agreement on Civil Compensation for Traffic Accidents under the mediation of the court. Pay family members medical expenses, funeral expenses, death compensation and other economic losses, * * * yuan. The previous compensation has been paid in full. For the death, the driver expressed deep apologies to our families, and actively negotiated economic compensation and raised compensation through various channels when the economic situation was not affluent. We think his repentance is good. As the families of the deceased, we can also understand the negligent behavior. Therefore, when requesting the relevant judicial organs to investigate criminal responsibility, they will be given a lighter punishment. To county public security bureau, county people's procuratorate and county people's court: (father of the deceased) (wife of the deceased) (son of the deceased)

Legal basis: Article 93 of the Provisions on Procedures for Handling Road Traffic Accidents, if an agreement is reached through mediation, the traffic administrative department of the public security organ shall make a mediation document on road traffic accident damage on the spot, which shall be signed by all parties and served separately. The conciliation statement shall contain the following contents: (1) the basis for conciliation; (two) the basic facts and losses identified in the road traffic accident certificate; (3) Items and amount of damages; (four) the responsibility and proportion of the parties to compensate for the losses; (five) the way and time limit of compensation; (6) date of mediation.