In many cities people are choosing to travel by private cars rather than public transport. What are the problems associated with this trend? what solutions can you suggest?

In numerous rural areas, people are tending to choose private transport rathar than public. This could cause various issues such as the pollution of city air and high rates of traffic. In order to solve these issues, increasing the price of buying private veichles while decreasing the cost of using public transport can be implied. […]