The selection of the most appropriate method of data collection largely depends on the input data required for the survey research, and each method requires a detailed approach to the design of the survey structure, as well as a carefully selected sampling strategy. Survey data collection is one of the most common methods for collecting information from respondents. In road traffic, the survey has an important role because it can collect data from respondents and provide insight and views of users of the transport system, persons who generate traffic demand, on the topics and issues that are being investigate. With the modernization and digitalization of the whole world, this method of data collection has become digital, in the other words the survey questionnaire can be filled out on the Internet through digital media on various websites, and such a trend has improved the accessibility of this method. The survey needs to be conceive, taking into account a number of elements that describe the survey itself, its structure and guide it with scientific literature and rules if the goal is to make a survey in which the ultimate goal is to get effective answers from respondents. The purpose of the research in this master thesis is to analyse in detail the survey method and determine the possibilities of its application depending on the specific areas of road traffic research. The aim of the research is to check the applicability of the proposed application of the survey method on a concrete practical example of a problem in road traffic, i.e. to determine the attitudes and opinions of respondents on road traffic in the Republic of Croatia but also on road traffic safety in the Republic of Croatia and to determine if there is a dependence of digital marketing, road safety and users of the transport system. Based on the online survey, the mentioned issues were tested and the results were interpreted.