大學英語作文：Traffic and population交通和人口

　　Traffic problems have become one of the major problems in cities.Streets are always crowed with vehicles and pedestrains, especially in rush hours.What is more, traffic accidents have made streets become one of the most dangerous places.But why is this problem becoming more and more serious in spite of the continuous improvement of traffic facilities?

　　交通問題已經(jīng)成為城市里的主要問題之一。街道上總是車輛擁擠，行人如潮，特別是在交通高峰時更是如此。而且，交通事故使街道變成了危險的地方。盡管我們不斷改進交通設施，為什么交通問題變得越來越嚴重呢?