Motorways help people travel quickly and cover long distances but they also cause problems. What are the problems of motorways and what solutions are there?

Nowadays every country is replacing its transport system with building more motorways. However, some people believe that it has negative aspects such as putting life on a risk and affects environmental pollution as well. It is quite clear that all kinds of traffic on motorways can be seen with having to much driving speed. Consequently, it occurs many dangerous accidents which can cause a lost of human life. For example, a recently conducted pole revealed the fact that approximately 60% of accidents happen on motorways because of driving fast. Moreover, motorways usually build on a very beautiful areas and produce noise and air pollution's, which cause which cause pollute the whole beautiful areas. It also reduced the number of wildlife animals and damaged the growth of plants because of pollution created by heavy traffics like trucks and many other vehicles. There are various solutions of improving motorways. Firstly, automobile companies should make environmentally friendly vehicles to reduce the pollution that normally vehicles produce. In order to save the environment and wildlife. Secondly, the government should restrict the speed limit for every vehicle which runs on motorways in order to reduce the ration of accidents and secure human life. Moreover, gorvenment should also strictly charged and penalize those drivers who drive faster that the specified speed limit. After viewing above all discussion it would lead me to conclude on the note that motorways are very essential for today's advance societies. But steps should be made by automobile companies and government to cope the motorwys problems and to protect the environment as well as human life.