以下是一篇英语四级作文范文，题目为“城市交通问题”。

City Traffic Problems

With the rapid development of urbanization, city traffic problems become increasingly serious. Congestion, air pollution and traffic accidents are the most common issues that people have to face every day.

The main cause of traffic congestion is the increasing number of private cars on the road. To solve this issue, the government should encourage people to use public transport by improving the quality of public transport services and expanding public transport networks. Moreover, the government can also limit the number of private cars on the road by implementing stricter vehicle emission standards and increasing the price of gasoline.

Air pollution is another serious problem caused by city traffic. The large number of vehicles on the road emits a large amount of harmful gases into the atmosphere, which damages the environment and threatens people's health. To tackle this issue, the government should encourage the use of electric vehicles and other environmentally friendly modes of transport. Additionally, the government should also improve the quality of fuel and strengthen the enforcement of vehicle emission standards.

Traffic accidents are another major problem that needs to be addressed urgently. The government should invest more in road safety infrastructure such as traffic lights, pedestrian crossings and road signs. Moreover, the government should also launch public awareness campaigns to educate people about the importance of road safety.

In conclusion, city traffic problems are complex and require a multi-faceted approach to solve. The government should take steps to encourage the use of public transport, promote environmentally friendly modes of transport, improve air quality and enhance road safety. By doing so, we can create a more livable and sustainable city for everyone.