In the article worlds experience is analyzed in the field of public transport sustainable development. The possibilities to use worlds experience to make Riga city public transport system safer and sustainable were discussed. Over the last few years, scientists, transport operators, industry, and policy makers throughout Europe have developed a wide range of innovative concepts for making urban transport more efficient and sustainable. Despite significant progress, a number of barriers, especially the lack of coordination of innovation activities across countries and cities, low levels of dissemination, unavailability of guidance on transferability and limited integration with mainstream transport policies, have prevented these concepts from being widely deployed. In the article we talk about Riga city passenger transport system sustainability and analyze it by 3 sustainability pillars. First of all - passenger friendly interchanges for Riga city, which play a crucial role in supporting the growth of public transport usage. As second we can talk about provision of travel information en-route for Riga city public transport users. And last but not least is ecology-friendly transport system. At the end of the article authors make their conclusions about possibility to use positive worlds experience to make Riga city public transport system more sustainable.