text: The smog and pollution caused by all the cars that are on the road these days is another reason why it is best to stay off the road. In the article, ''Paris bans driving due to smog'' by Robert Duffer, he says, ''[The smog] rivaled Beijing, China, which is known as one of the most polluted cities in the world''. The cities ban on cars on the road shows a serious concern in the saftey of the people because of all the smog that driving has caused.