When every country decides to develop travel industry. It needs to understand how to arrange what kind of public transportation tools to be supplied to satisfy any countries' tourists mobility needs in whose journeys in order to achieve tourism planning for public transportation system to attract different countries' tourists to choose to arrive itself different destinations to travel more easily. So, the country's transportation services supplies will have permanently impacted to every tourist individual travel behavior towards more mobility when he/she arrives to the country to travel.Can transportation system factor influence tourist individual travelling desination decision? it depends on the tourist individual attitude or transport needs of decisions. For example, if the city, e.g. New York has many tourists, who are high income, young gender, high education level tourists. Then, they will choose more expensive and comforable train more than cheap and not comfortable bus transportation tool. So, I assume that the year has many high income, high education, high social class occupation tourists arrive US, New York city . Then, they will choose train more than bus transportation tool to go to anywhere to travel in New York city. So, it is not represent that the city has many cheaper public transportation tool, such as many buses number to be supplied, the bus public public transporation tool can bring more income to attract overseas tourists to come to New York travel. It depends on whether the tourist individual characteristics, e.g. high or low income, more or less comfortable transportion tool supplies needs or high or low educational level, alone tourist or family tourist or friend relationship tourist. Any one of these tourist individul psychological factors will influence the tourist to choose either cheap and less comfortable public tool system or expensive and more comfortable public tool system to be supplied to the city to travel. So, the city's comfortable or not comfortable public transportation tool supplies which will influence the overseas tourists how to choose the city to travel.