Controls on floor area ratio limit the floor space of residences to a certain ratio to site space, insuring that the number of residents remains low, and thus naturally reducing the number of vehicles and the size of local commercial sites. This policy was only put into place on a district basis in Taipei in 1983.
一九八一年後，台灣出現大量游資，加上國外資金湧入，政府在此時提出容積率全面管制，整個都市瘋狂搶建。尤其是新興的東區，忠孝東路每家每戶儘量把樓地板面積蓋到最大。