If I were a prime minister, I would solve the most important causes of traffic congestion. Because i saw traffic congestion in Bangkok. Thailand is also a reflection of social problems. While I thinking people the rich have money to buy a car. i had been waiting when society has a very poor bus. The bus was making a price adjustment difficult. The bus was not able. to develop than it is a private car is used, only some cases only. The use of private. Cars. Is very much road space. Compared to public transport such as bus train underground car space per person. is less than many private. cars only. a private car is used, only some cases only. the use of private. cars is very much road space. Compared to public transport such as bus train underground car space per person is less than many private cars only.