Traffic accidents have been among the most important factors effective in mortality in developing countries, it is the first important cause of death under thirties ages, and it is the third cause of death among all age groups, which leads to the death of healthy people in their best life span in terms of their efficiency. In addition, it imposes financial and mental burden on families and cause them to suffer a lot. In spite of efforts made in Iran, death and damage statistics resulted from traffic accidents is so high; and military organizations are not exception to the rule, either. The present descriptive researchable conducted to examine all available 462 cases related to years 2006 and 2007 in a military base in Tehran. Information had been gathered through a questionnaire whose scientific validity and reliability had been previously determined, and data analysis conducted through descriptive statistics. According to the result of examining 462 cases, it came out that official personnel, enlisted men and other drivers were respectively involved in 26, 56.1 and 17.9% of the traffic accidents recorded at the base. 65.1% of the accidents took place urban areas and the remainder (34.9%) took place outside cities. 74.2% of official drivers, 74.5% of enlisted men, 65.9% of contractor drivers, 77.8% of drivers who receive annual salary, 69.7% of drivers who receive wage were recognized guilty on the basis of police view; in addition in 79.7% of the accidents, the reason was disregarding traffic regulations. Therefore, due to the high percentage rate of disregarding traffic regulations by the drivers of the aforesaid base, in order to mitigate the number of traffic accidents and damages resulted from them, it is recommended to train those who are to work as driver for different missions and urge them to follow the regulations.