The lastly solution to traffic congestion is to have a government policy to reduce the number of vehicles because many people use cars more, private cars to run on the road too much and the number of roads that not increased. The transportation is not enough for population so the government should improve the reliability of public transportation to encourage people to take the bus or the train rather than use private vehicles which makes private vehicles decrease. Advertising campaigns are also needed to highlight the negative things about using cars. Owner’s private vehicles should also be more taxed because if tax is fall, expense will increase and make people have to use public transport instead of his vehicles.