environmental recently become problems of country because of many things such as deforestation, overfishing and pollution which continually growth in every years according to the rapid expansion of industrial and the various of vehicle that is the main cause of pollution ("Environmental problems in thailand", 2012). The high speed railway system has an effect on environment many viewpoints. There are both of advantages and disadvantages after high speed railway started operate in each country. But the impact of high speed railway operations on the environment is usually show in a positive way because it’s process is well-known about reduce greenhouse gas and less emission of carbon dioxide than other transport. However, high speed railway can caused to negative environmental impacts as well, including local noise and land take (Development and Impact of the Modern High-speed Train, 2006).