This thesis looks into different vehicles used for transporting goods and people on roads. It begins by discussing the history of road traffic and transport, and then talks about the pros and cons. The focus is on vehicles used for carrying goods and passengers. In terms of moving goods, there are trucks, tugs, semi-trailers, and other types of road vehicles. For carrying people, the vehicles include two-wheelers, three-wheelers, four-wheelers, and trolleybuses. The thesis also talks about road transport in Croatia and wraps up with a conclusion.