There were only 27,000 cars in Taipei in 1971, an average of 209 square meters of road per car. In 1981, the number of cars was 160,000, with 72 square meters per car. This year there are 370,000 small passenger cars, and only 51 square meters per car.
市政府資料顯示，民國六十年時，台北市小客車只有兩萬七千輛，當時每輛車可享有二百零九平方公尺的道路面積；七十年小客車為十六萬輛，每輛可享有七十二平方公尺的道路；到了今年，小客車已增加到卅七萬輛，每輛只能有五十一平方公尺﹘﹘即當初四分之一的空間了。