Tomislav Gotić’s scientific contributions

Safety is one of the most important subjects for any transport mode where the key objective is the transportation of people and products. There are a number of measures to increase traffic safety, and in recent years social networks have become an important factor in prevention of accidents. Social media, also called social networking or Web 2.0, are defined as a group of web-based applications that encourage users to interact with one another. That include blogs, social and professional networking sites such as Facebook and LinkedIn, micro-blogging site Twitter, media- sharing sites such as YouTube and Flickr, and location-based sites such as Foursquare Facebook, LinkedIn, Twitter, YouTube, Flickr, etc.The paper presents an overview of the most significant social networks, analysis of groups as part of social networks that are primarily oriented to the problems of road and railway traffic safety with special emphasis on the specific groups about traffic safety at level crossings with special emphasis to a group "Vlak je uvijek brži" on Facebook platform.