城市的交通能力有两类,一类是城市对外交通能力,泛指在几小时、几天或几周内将城内的居民、商人、游客、劳工从城市内疏散出去的能力,或者与其他城市进行交通联系的能力。另一类是城市内部的交通能力,即从城市向居民提供的多种福利和机会(就业、购物、娱乐、交往)中获得利益的交通能力。本文主要就后者作些探讨。 There are two types of urban transport capacity, one is the city's external transport capacity, refers to a few hours, a few days or weeks within the city residents, merchants, tourists, laborers from the city evacuation capabilities, or with other cities Ability to make traffic connections. The other is the transportation capacity within the city, that is, the ability to benefit from various benefits and opportunities (employment, shopping, entertainment, communication) provided by the city to its residents. This article mainly discusses the latter.