Toll roads: Established practice unrealistic in Armenia

If people do not object, Nikol Pashinyan promises to build toll roads in Armenia. What are toll roads, and what is their purpose? Will they work in Armenia or not? The use of toll roads, tunnels and bridges is a common practice in the world; they have been in operation for a long time in a number of large and developed countries. The aim is to reduce traffic congestion, air pollution and arrange transport demand. They are built either by states or by private organizations. Details in the video: