The objectives of this research are to 1) study the corporate are to image of the State Railway of Thailand and 2) the image of the service by State Railway of Thailand that is related to the decision to use 115 new passenger train service by one time measure survey patterns of quantitative research and questionnaires as tools to collect data by using a 400 sample of 115 new passenger train at Bangkok station. The statistics that use in the analysis were percentage mean deviation and Pearson’s product moment coefficient of correlation The result shows that the most respondents were males aged between 37 – 46 years graduating with a bachelor’s degree. Occupation of private sector employees with an average monthly income approximately 20001 – 30000 baht traveling by 115 new trains around 1 - 2 times a year and domicile in the southern part of Thailand. There is an opinion on the corporate image of the organization of the State Railway of Thailand in organizational management at a high service level and have opinions on the decision to choose to use 115 new trains in terms of intention interest needs and decisions in choosing to use the service at a high service level for the hypothesis testing it was found that the relationship of the corporate image of the State Railway of Thailand and the selection of passenger services: a case study of 115 new trains have a low level of relationship. The corporate image of State Railway of Thailand in service sector has a moderate relationship.