To bring back some efficiency to how things move around in the cities, all sorts of direct and indirect management methods have been proposed to limit cars in urban areas--even to the point of banishing cars altogether from the densely populated inner cities.
為了將汽車控制到讓市區仍可有效率運轉，或甚至讓汽車離開人群密集的市中心，只停留在都市外圍，各種直接、間接的管理手段紛紛出籠。