urban congestion

As a result of the growth in traffic demand brought about by the development of the city, urban congestion in expressway came into being by varying degrees.

随着城市的发展带来的交通需求增长，城市快速路出现了不同程度的拥挤，造成快速路拥挤的原因有很多，其中由于匝道问题而导致的拥堵是造成快速路拥挤的主要原因之一。

One solution: Zhang plans to lick the urban congestion problem by building up.

他的解决方法是，他打算修建摩天大楼来解决城市人口密集问题。

China is due to eclipse America as the world's largest car market in about a decade but this is contributing to heavy pollution and urban congestion.

再过十年左右，中国将会超过美国，成为世界最大的汽车市场，但这也将导致严重污染和城市交通堵塞。

Traffic congestion is a key problem for the modern society developing. The arterial road is the main part of urban traffic. And it is also the most significant influences of the city traffic.

交通拥堵是现代社会发展的一个关键问题，城市主干道是组成城市交通的重要部分，是影响城市交通的关键所在。

Dynamic Traffic Assignment modeling fundamental combined with urban congestion analysis method is studied. Three methods are erected on congestion analysis, especially the stochastic user optimal DTA models is considered.

通过对动态交通分配模型建模的依据和原则进行探讨，提出了应用动态分配模型进行拥挤机理分析的三种途径，尤其讨论了如何用随机型瞬时动态用户最优分配模型进行交通拥挤机理分析。

Urban congestion, energy shortage and environmental degradation have made the development of public transport in many cities in China become an inevitable choice.

城市拥堵、能源紧张、环境恶化等问题使发展公共交通成为我国很多城市的必然选择。

Asian countries are expected to spend over$ 200bn on mass transit rail systems in the next decade to combat rising urban congestion.

预计未来10年亚洲国家将会在公共轨道交通系统上投入2000亿美元，以抗击日益加剧的城市拥堵问题。

The process of urban congestion usually occurs in a certain road and diffuses to other roads.

城市拥堵的发生过程一般是某路段发生拥堵，然后扩散至其他路段进而形成区域拥堵。