This article is the study of accident statistics on rural highway network. Considering the nature of the accident. The frequency of accidents Measures taken to resolve to reduce accidents. The budget allocation for improvement. And other factors Related The installation was carried out by the Bureau and improve safety. Department of Rural Roads The analysis of accident data from the year 2551 - 2555 found that counties with the highest accident province. When analyzing the accident rate. And hazard maps showing where to find trends in the Arc map 10.1 of the accident. And consideration of safety measures used. And the cost of the government's investment. By comparison, the number of accidents before and after the installation of equipment that pose a safety performing. Compared to the cost of the investment budget, which found that the project was implemented largely contributes to reducing the number of accidents actually. But the value of the investment value of NPV and B / C Ratio are some that are not worth the investment. This may be due to measures implemented to reduce accidents is equipped, in addition to safety. May be used to measure the improvement of engineering, such as the road surface. Geometric Improvements Get involved Or even the behavior of the route. Including analysis of the dangers that cause accidents entirely. Must be considered together to solve problems and bring benefits to the user path into the future.